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Inhibition of Mussel Suspension Feeding by Surfactants of Three Classes. https://www.researchgate.net/publication/215586803

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Ostroumov S.A., Widdows J. (2006) Inhibition of mussel suspension feeding by surfactants of three classes. Hydrobiologia. 556: 381−386; DOI: 10.1007/s10750-005-1200-7; Full text free: https://www.researchgate.net/publication/215586803; Inhibition of Mussel Suspension Feeding by Surfactants of Three Classes. https://www.researchgate.net/publication/215586803; DOI: 10.1007/s10750-005-1200-7; Water filtration by aquatic invertebrates is an important process which is vital to water quality and life of many organisms in water habitats. Whether synthetic detergents and surfactants are dangerous as chemical pollutants that may affect this process was not known before the research and publications of one of co-authors of this article, Sergei Ostroumov. This article was a result of a joint British-Russian project that was supported by EERO (European Environmental Research Organization). The project was conducted in one of the best European marine laboratories, Plymouth Marine Laboratory (U.K.). Effects of three chemicals (possible pollutants, ecotoxicants, xenobiotics), namely, synthetic surfactants, on the filtration rates by aquatic mollusks, marine mussels (Mytilus edulis), were studied. The chemical pollutants (ecotoxicants, xenobiotics) tested represented anionic, cationic and non-ionic surfactants (tetradecyltrimethylammonium bromide, a representative of a class of cationic surfactants; sodium dodecyl sulphate, a representative of anionic alkyl sulfates; and Triton X-100, a representative of non-ionic hydroxyethylated alkyl phenols). All three surfactants inhibited the filtration rate of the mollusks (clearance rates), marine mussels. The significance of the results for the ecology of marine ecosystems is discussed. The analysis demonstrated new huge environmental hazards from synthetic detergents and surfactants. Further research and publications of Sergei Ostroumov (available on ResearchGate) gave new confirmations of the conclusions of this article. ** Перевод названия на русский язык, в развернутом виде (передавая суть, содержание названия): Поверхностно-активные вещества трех классов (т.е. анионные ПАВ, катионные ПАВ, неионогенные ПАВ) подавляют процесс фильтрации воды мидиями, - процесс, в результате которого мидии (Mytilus edulis) отфильтровывают из воды взвешенные в ней клетки водорослей и питаются ими. ** Tags: Surfactants × filter-feeders × marine mussels × Clearance rates × Mytilus × Bivalves × Aquaculture × tetradecyltrimethylammonium bromide × Sodium Dodecyl sulphate × Triton X-100 × alkyl sulfates × hydroxyethylated alkyl phenols × Ecotoxicology × Pollution × Ocean × Seawater × Marine Ecology ×

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... 2. Новые факты, полученные в опытах, согласуются с теоретическими представлениями о полифункциональной роли биоты в самоочищении воды [6,[20][21][22][23][24] и о типологии вещества в биосфере [7][8][9][10]. Изложенные новые факты поддерживают выводы, сделанные в предыдущих статьях [33][34][35][36][37][38], подчеркивают актуальность исследований в области экотоксикологии и химико-биотических взаимодействий с участием токсичных веществ [5, 39 -44]. ...
... 1. Положение В.И.Вернадского о роли живого вещества как геологической силы, влияющей на лик Земли. Анализируя современное развитие этой концепции, можно отметить следующее: это положение детализировано, подтверждено и усилено на новом эмпирическом материале, в том числе фактами о водных экосистемах и организмах, полученных автором и систематизированных в теории самоочищения воды [6,20,21,23,24,[35][36][37][38]. В частности, это положение усилено новыми фактами в области водной экологии и их обобщением в теории полифункциональной роль организмов в самоочищении воды [6,20,21,23,24,[35][36][37][38] 2. Концепция В.И.Вернадского -биогенная миграция элементов. ...
... Анализируя современное развитие этой концепции, можно отметить следующее: это положение детализировано, подтверждено и усилено на новом эмпирическом материале, в том числе фактами о водных экосистемах и организмах, полученных автором и систематизированных в теории самоочищения воды [6,20,21,23,24,[35][36][37][38]. В частности, это положение усилено новыми фактами в области водной экологии и их обобщением в теории полифункциональной роль организмов в самоочищении воды [6,20,21,23,24,[35][36][37][38] 2. Концепция В.И.Вернадского -биогенная миграция элементов. Предложенный анализ с учетом экспериментов автора и данных литературы ведет к дополнению этой концепции. ...
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ОСТРОУМОВ С.А. Современное развитие некоторых идей В. И. Вернадского. // Известия Самарского научного центра Российской академии наук. 2013. Т. 15, № 3, с.17-22. https://www.researchgate.net/publication/301625114
... Furthermore, increases in complexity via the addition of habitat-forming species such as bivalves, can affect the functioning of systems, not only by modifying biological communities (as described above), but also due to the biological functions that the added organisms themselves perform. Oysters are likely to influence habitat function through their feeding and metabolism, such as ammonia excretion and respiration (Boucher & Boucher-Rodoni, 1988) and by accelerating mineralisation of organic substances (Ostroumov & Widdows, 2006). Therefore, for a given area, eco-engineering strategies that involve increasing biogenic and physical complexity may be more effective in increasing particular ecosystem functions compared to strategies that focus solely on physical complexity. ...
Article
1 – The influence of habitat complexity on biodiversity is a central theme in ecology, with many studies reporting positive relationships. Reconciliation approaches in urbanised areas, such as eco‐engineering, have increasingly focused on ‘re‐building’ the complexity of degraded and/or homogenised habitats to support biodiversity. Yet the effects of increasing complexity and biodiversity on ecological functions are rarely measured. 2 – We assessed how increasing the physical and/or biogenic complexity of habitats affects the net and gross primary productivity (NPP and GPP, respectively), community respiration and nutrient cycling (specifically dissolved inorganic phosphorus and nitrogen) of intertidal sessile marine communities at three sites. We manipulated physical complexity using two types of settlement tiles: ‘complex’, with crevices and ridges, and ‘flat’. We increased biogenic complexity on half the replicates of each tile type by seeding with oysters. 3 – Increased physical and biogenic complexity resulted in greater sessile species richness at all sites. Although many variables assessed varied with sites and time of measurements, overall, GPP and NPP was greater on flat tiles than on complex ones. These patterns were not explained by differences in the total surface area of tiles. 4 – Daily flux rates of dissolved inorganic phosphorus had a significant positive relationship with biogenic complexity. There were no effects of biogenic or physical complexity on the net fluxes of dissolved inorganic nitrogen. 5 – Effects of habitat complexity on the productivity and nutrient cycling of marine sessile communities were largely unrelated to diversity measures, such as richness or abundance of key taxa and functional groups. 6 ‐ Synthesis and applications: Eco‐engineering practices that manipulate habitat complexity might benefit from explicit functional targets that also consider associated ecosystem services, as we found that under some conditions there is a trade‐off between biodiversity and functional targets. Our results suggest that increasing habitat complexity has a positive effect on sessile species richness, but not necessarily on productivity (GPP and NPP). The species pool available as well as light availability is likely to mediate effects of complexity on assemblages, so local environment needs to be a key consideration when designing interventions.
... Chemically derived surfactants, such as SDS, Triton X-100 and tetradecyltrimethylammonium bromide, have been reported for the adverse effects on suspension-feeding mussels [101]. Certain biological compounds such as biosurfactants are surface-active agents often utilized to reduce surface tension and interfacial tension. ...
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Biofouling roots damage to membrane bioreactors (MBRs), such as physical, functional and organisational changes and even therefore clogging of the membrane pores and successive microbial degradation. Further, it blocks the pores, results into a biomass cake and in due course reduces the membrane flux and leads to an increase in the operational costs. MBR fouling contributed to the rise in transmembrane pressure (TMP) and decrease in permeate flux (in case of constant pressure operation mode). Chemical surfactants adopted for the cleaning of membrane surfaces have certain disadvantages such as toxicity manifestations, damage to the membranes and high CMC concentrations. Biosurfactant surfactants have attained increasing interest due to their low toxicity, biodegradability, stability to extreme environmental conditions such as temperatures, pH and tolerance to salinity. The biosurfactants trapped the foulants via micelle formation, which distresses hydrophobic interactions amongst bacteria and the surface. Rhamnolipids as an anionic biosurfactant pose a significant interfacial potential and have affinity to bind organic matter. The present review discusses the problem of biofouling in MBRs, type and interactions of foulants involved and also highlights the mechanisms of biosurfactant cleaning, effect of different parameters, effect of concentration, TMP, flux recovery, permeability, mitigation practices and challenges.
... Chemical contaminants sometimes alter the filtration rates of these organisms (e.g. Naimo, 1995;Ostroumov and Widdows, 2006;Widdows and Johnson, 1988). Large declines in abundances of bivalve populations because of contamination will definitely have a net negative impact on filtration rates. ...
Article
Pollution is a major worldwide problem that is increasing with urban growth, mainly along coastal areas. Pollution is often worse, governance is poorer and managerial strategies to improve environmental quality are less advanced in developing than developed countries. Here, we present an overview of the current scientific knowledge of the impacts of contamination on the biota of coastal ecosystems of Brazil and evaluate the scientific challenges to provide baseline information for local managerial purposes. We compiled data from 323 peer-reviewed published papers from the extensive Brazilian coast. We critically evaluated the produced knowledge (target contaminants, sources, ecosystems, taxa, response variables) and the science behind it (rigour and setting) within its socioenvironmental context (land occupation, use of the coast, sanitation status, contamination history). Research was driven largely by environmental outcomes of industrial development with a focus on the single effects of metals on the biota. The current knowledge derives mainly from laboratory manipulative experiments or from correlative field studies of changes in the biota with varying levels of contamination. Of these, 70% had problems in their experimental design. Environmental impacts have mainly been assessed using standard indicators of populations, mostly in ecotoxicological studies. Benthic assemblages have mostly been studied using structural indicators in field studies. Future assessments of impacts should expand research to more taxonomic groups and ecosystem compartments, adding combined functional and structural responses. Furthermore, further investigations need to consider the interactive effects of contaminants and other environmental stressors. By doing so, researchers would deliver more robust and effective results to solve problems of pollution.
... Regarding synthetic surfactants, the negative effects of SDS on crustaceans are less pronounced, but there are reports of the harmful effects of this surfactant on the feeding habits of filtering bivalves and suspension-feeding mussels. A study addressing the effects of tetradecyltrimethylammonium bromide, sodium dodecyl sulfate, and Triton X-100 on filtering rates by marine mussels revealed that all three surfactants inhibited the filtering of food items in the water [131]. A toxicity study comparing the effects of a rhamnolipid to SDS on the phagotrophic alga Ochromonas danica investigated the loss of motility as well as permeability and lysis of the membrane. ...
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The adhesion of organisms to surfaces is an event that occurs in natural and artificial systems and is commonly known as bio-encrustation. The elimination of biofouling through less aggressive and ecological methods has aroused the interest of researchers and industries worldwide. Among the products with the greatest potential for altering surfaces, surfactants act at cell-cell and cell-surface interfaces, reducing surface hydrophobicity, the adherence of microorganisms, and the formation of biofilms. Biological surfactants have stood out for their versatility and proven effectiveness in recent years as valuable tools, especially due to their biodegradable characteristics when compared to synthetic surfactants. Thus, they can transform and modernize biotechnology by providing more robust antifouling technologies. This review discusses the possible roles and applications of synthetic and biological surfactants from different sources, such as biofouling reducing agents, addressing the potential alteration of surfaces, reducing surface tension, biological activities (antimicrobial, antibiofilm, and anti-adherence), biodegradability, and anticorrosion activity. Market trends and the potential uses of these multifunctional biomolecules in biofouling control are also cited, along with examples from the literature using biosurfactants as antifouling agents.
... filtration rates and growth) that are involved in the maintenance of such functions (Mumby et al., 2011;Montalto et al., 2016;Mayer-Pinto et al., 2018a). Biological filtration removes particles and cells of phyto-and microbial plankton from the water column in a process that accelerates mineralisation of organic substances and 'purifies' the water-column (Ostroumov & Widdows, 2006). Many habitat-forming bivalves (i.e. ...
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Contaminants may affect ecosystem functioning by reducing the fitness of organisms and these impacts may cascade through ecosystems, particularly if the sensitive organisms are also habitat‐forming species. Understanding how sub‐lethal effects of toxicants can affect the quality and functions of biogenic habitats is critical if we are to establish effective guidelines for protecting ecosystems. We carried out a global systematic review and meta‐analysis critically evaluating contaminant effects on properties of habitat‐formers linked to ecosystem functioning. We reviewed a total of 95 publications. However, 40% of publications initially captured by the literature search were identified as having flaws in experimental design and ~11% did not present results in an appropriate way and thus were excluded from the quantitative meta‐analysis. We quantitatively reviewed 410 studies from 46 publications, of which 313 (~76%) were on plants and seaweeds, that is macro‐algae, saltmarsh plants and seagrasses, 58 (~14%) studied corals and 39 (~10%) looked at toxicant impacts on bivalves, with 70% of those on mussels and the remaining studies on oysters. Response variables analysed were photosynthetic efficiency, amount of chlorophyll a (as a proxy for primary production) and growth of plants, seaweeds and corals as well as leaf area of plants. We also analysed filtration, growth and respiration rates of bivalves. Our meta‐analysis found that chemical contaminants have a significant negative impact on most of the analysed functional variables, with the exception of the amount of chlorophyll a . Metals were the most widely harmful type of contaminant, significantly decreasing photosynthetic efficiency of kelps, leaf area of saltmarsh plants, growth of fucoids, corals and saltmarsh plants and the filtration rates of bivalves. Organic contaminants decreased the photosynthetic efficiency of seagrass, but had no significant effects on bivalve filtration. We did not find significant effects of polycyclic aromatic hydrocarbons on any of the analysed functional variables or habitat‐forming taxa, but this could be due to the low number of studies available. A meta‐regression revealed that relationships between concentrations of metal contaminants and the magnitude of functional responses varied with the type of metal and habitat‐former. Increasing concentrations of contaminants significantly increased the negative effects on the photosynthetic efficiency of habitat‐formers. There was, however, no apparent relationship between ecologically relevant concentrations of metals and effect sizes of photosynthetic efficiency of corals and seaweeds. A qualitative analysis of all relevant studies found slightly different patterns when compared to our quantitative analysis, emphasising the need for studies to meet critical inclusion criteria for meta‐analyses. Our study highlights links between effects of contaminants at lower levels of organisation (i.e. at the biochemical and/or physiological level of individuals) and ecological, large‐scale impacts, through effects on habitat‐forming species. Contaminants can clearly reduce the functioning of many habitat‐forming marine species. We therefore recommend the adoption of routine measures of functional endpoints in monitoring and conservation programs to complement structural measures.
... These results indicate that AChE is only somewhat affected by some component of the leachate, and this response is altered when microplastics are physically present in the digestive system. Bivalves restrict filtering activity in the presence of waterborne pollutants (Kraak et al., 1994;Ostroumov and Widdows, 2006;Rodrigues et al., 2013), and M. galloprovincialis potentially restricted filtering activity in response to a component of the leachate treatment, hence reducing the amount of AChE synthesised during the exposure period. ...
Article
Phenol-formaldehyde plastics are used globally as floral foam and generate microplastics that can enter the environment. This study is the first to describe how aquatic animals interact with this type of microplastic, and the resultant physiological responses. We analysed "regular foam" microplastics generated from petroleum-derived phenol-formaldehyde plastic, and "biofoam" microplastics generated from plant-derived phenol-formaldehyde plastic. Regular foam and biofoam microplastics showed similar FTIR spectra. Both types of microplastics were consumed by all six invertebrate species tested: the freshwater gastropod Physa acuta, the marine gastropod Bembicium nanum, the marine bivalve Mytilus galloprovincialis, adults and neonates of the freshwater crustacean Daphnia magna, the marine amphipod Allorchestes compressa, and nauplii of the marine crustacean Artemia sp. For all species, the occurrence of ingestion was similar for regular foam and biofoam microplastics. Biofoam microplastics leached more than twice as much phenolic compounds than regular foam microplastics. The leachates from regular foam and biofoam microplastics showed the same acute toxicity to Artemia nauplii (24-h LC50 = 27.4 mg mL-1 and 22.8 mg mL-1, respectively) and D. magna (48-h LC50 = 17.8 mg mL-1 and 15.3 mg mL-1, respectively). However, biofoam microplastic leachate was twice as toxic to embryos of the zebrafish, Danio rerio, compared with leachate from regular foam microplastic (96-h LC50 = 43.8 mg mL-1 vs 27.1 mg mL-1). Using M. galloprovincialis, we show that regular foam microplastic leachate and the physical presence of the microplastics exerted separate and cumulative effects on catalase (CAT) activity, glutathione-s-transferase (GST) activity and lipid peroxidation. Microplastic ingestion did not affect the activity of acetylcholinesterase (AChE). Taken together, these results show that phenol-formaldehyde microplastics can interact with a range of aquatic animals, and affect sublethal endpoints by leaching toxic compounds, and through the physical presence of the microplastics themselves.
... Three separate counts per treatment were done. CR was calculated using the equation CR = V(log C1 − C2)/t, where V is the volume of water, C1 and C2 are the cell concentrations at the beginning and end of each time interval, respectively, and t corresponds to the time interval in each observation point (Ostroumov and Widdows, 2006). The calculations were done each day during the experiment and the results for all the trials, inluding the CR control (values equal to zero), were expressed as media ± SEM (n = 3). ...
Article
The persistent pollutants polybrominated diphenyl ethers (PBDEs) have been demonstrated to produce several negative effects on marine organisms. Although Mytilus galloprovincialis was extensively studied as model system, the effects of PBDEs on the innate immune system of mussels remains unclear. In this study, except for the control treatment, specimens of M. galloprovincialis were fed with microalgae treated with increasing concentrations of PBDEs (maximum level 100 ng L-1 of BDE-47 per day). BDE-47 treatment was maintained for 15 days and then the animals were fed with the same control diet, without contaminants, for 15 days. Samples of haemolymph (HL) were obtained at T0, T15 and T30 days of the experiment to evaluate different parameters related to immunity, such as neutral red retention time, and peroxidase, protease, antiprotease, lysozyme and bactericidal activities. BDE-47 exposure for 15 days affected both the stability of haemocytes and humoral parameters. In addition, the obtained results indicated that, at 30 days, after 15 days of culture without contaminant, the immune parameters were still affected, as some of them did not return to the basal levels, and others remained stimulated. Overall the results indicate that BDE-47 exposures at environmentally realistic levels may affect various aspects of immune function in M. galloprovincialis, acting as stressor that can compromise the general welfare.
... However, since these animals rely heavily on the water column and its suspended matter, they are also relatively sensitive to changes in water quality (Ostroumov and Widdows 2006;Weiss et al. 2007). The second main feeding group of the estuarine macrobenthos is that of the deposit feeders, which consists of representatives of all major taxonomic groups within the macrobenthos. ...
... Other surfactants have been studied more extensively on freshwater mollusks. Ostroumov and Widdows (2006) examined surfactants hindering the filter feeding process for mussels by determining clearance rates, reporting after 10 minutes expsoure, mussels showed a lower clearance rate compared to the sequential second and third 10 minute intervals. Bringolf et al. (2007b) examined the components of Roundup ® using ...
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Mollusca has the highest documented number of extinctions of any phyla, with 72% of freshwater mussels and 74% of freshwater snails classified as imperiled. Mollusk populations are declining due to anthropogenically caused physical and chemical habitat degradation. Toxicity tests are important tools that provide information for risk assessment of chemicals and are used in developing USEPA Water Quality Criteria (WQC). The objectives of this study were to determine the sensitivity (LC50) of three freshwater juvenile mussel species (Villosa nebulosa, Villosa umbrans, and Hamiota perovalis) and two freshwater caenogastropods species (Leptoxis ampla and Somatogyrus sp.) endemic to the Mobile River Basin to five toxicants (SDS, Cl, K, Ni, Zn) in need of new or updated WQC. Results showed that H. perovalis, L. ampla, Somatogyrus sp. had LC50 values lower than current WQC for Ni and Cl, and L. ampla had a lower LC50 value for Zn. Leptoxis ampla was also found to be extremely sensitive to SDS (LC50 = 26 µg/L). Leptoxis ampla had LC50 values lower than any mollusk species previously tested, indicating that this is a very sensitive species that may require development of stringent regional criteria and protection. Until USEPA WQC are updated, current regulations may not be inclusive many of our nation’s imperiled aquatic mollusk species. With this study, data is now available to aid in establishing and updating WQC based on values inclusive of more sensitive species.
... Addition of dispersed beads to seawater in feeding chambers or directly into the inhalant siphon dilutes the surfactant, and the hydrophobic beads regain a high affinity for attraction/ aggregation and attachment to surfaces, including bivalve feeding structures. In addition, surfactants of the type employed to ensure microsphere dispersion are known to inhibit the CRs of M. edulis (Ostroumov & Widdows 2006) and may result in an artificial feeding response. ...
Article
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The retention efficiency (RE) of suspension-feeding bivalve molluscs depends on particle size and is generally assumed to decline below a maximum retention of particles larger than 3 to 7 μm. Previous suggestions that the RE spectrum of mussels Mytilus edulis can exhibit variability, possibly as a result of physiological regulation, have been attributed to artifacts associated with the indirect method. The possibility that variable physical properties of seston particles and/or miscalculations can result in inaccurate RE measurements was examined using 3 methodologies (static, flow-through and a new approach based on the static method) and 3 particle sources (natural seston, algal cell monocultures and clay). Measurements obtained with the static method varied depending on the selected sampling interval. However, this artifact can be removed using frequent sampling and a regression analysis approach. Accurate RE measurements can be obtained with the flow-through method when feeding behaviour is flow independent. For all particle suspensions and methods, mussels from the study site in Lysefjord, Norway, had a maximum RE for particles >8-11μm (1 to 5 September 2015). The RE for smaller particles declined gradually, with 50-60% retention of 4 m particles and 30-40% retention of 2 μm particles. Differences in the RE size spectra of mussels and tunicates Ciona intestinalis, collected and measured at the same site, further indicated that RE was not influenced by potentially confounding methodological factors. Assumptions regarding the RE spectrum of bivalves have contributed to many conclusions on their ecosystem interactions. The reliability of clearance rate measurements obtained using the indirect method can only be assured if the effective retention of tracer particles is confirmed and not assumed.
... Other surfactants have been studied more extensively on freshwater mollusks. Ostroumov and Widdows (2006) examined surfactants hindering filter feeding for unionids by reporting a drop in clearance rates after a 10 minute exposure. Bringolf et al. (2007b) examined the components of Roundup t using Lampsilis siliquoidea and found that MON 0818, the polyethoxylated tallow amine (POEA) surfactant blend that helps the active ingredients penetrate the waxy coverings of plant leaves, was the most toxic component of that herbicide. ...
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Anthropogenically caused physical and chemical habitat degradation, including water pollution, have caused dramatic declines in freshwater mollusk populations. Sodium dodecyl sulfate (SDS), a surfactant with no USEPAWater Quality Criteria (WQC), is commonly used in industrial applications, household cleaners, personal hygiene products, and herbicides. In aquatic habitats, previous SDS studies have associated deformities and death to mollusks found in these systems. The objective of this study was to determine EC50 values for two freshwater juvenile unionids (Villosa nebulosa and Hamiota perovalis) and two freshwater caenogastropods (Leptoxis ampla and Somatogyrus sp.) endemic to the Mobile River Basin, USA, to SDS. Using the Trimmed Spearman-Karber method, EC50 values were calculated. Results found that EC50 values were: V. nebulosa ¼ 14,469 lg/L (95% CI: 13,436 – 15,581 lg/L), H. perovalis ¼ 6,102 lg/L (95% CI: 4,727 – 7,876 lg/L), Somatogyrus sp. ¼ 1,986 lg/L (95% CI: 1,453 – 2,715 lg/L), and L. ampla ¼ 26 lg/L (95% CI: 6 – 112 lg/L). Freshwater gastropods were more sensitive to SDS than freshwater unionids. Leptoxis ampla was the most sensitive species tested and had such a low EC50 value that more protective regional criteria may be required. Therefore, future research should include additional testing on mollusk species, particularly regionally isolated species that may display increased sensitivity.
... CR was calculated using the equation CR = V(log C 1 − log C 2 )/t, where V is the volume of water, C 1 and C 2 are the cell concentrations at the beginning and end of each increment, respectively, and t corresponds to the time interval. 35 Comet Assay. Determination of DNA strand breaks using hemocytes was evaluated following a previously optimized protocol. ...
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Dechlorane plus (DP) is a proposed alternative to the legacy flame retardant Decabromodiphenyl ether (BDE-209), a major component of Deca-BDE formulations. In contrast to BDE-209, toxicity data for DP are scarce and often focused in mice. Validated dietary in vivo exposure of the marine bivalve (Mytilus galloprovincialis) to both flame retardants did not induce effects at the physiological level (algal clearance rate), but did induce oxidative DNA damage, as determined by the comet assay, at all the concentrations tested. Micronuclei formation was induced by both DP and BDE-209 at the highest exposure concentrations (100 and 200 μg/L, respectively, at 18% above controls). DP caused similar effects to BDE-209 but at lower exposure concentrations (5.6, 56 and 100 μg/L for DP and 56, 100 and 200 μg/L for BDE-209). Moreover, bioaccumulation of DP was shown to be concentration dependent, in contrast to BDE-209. The results described suggest that DP poses a greater genotoxic potential than BDE-209.
... Such a phenomenon, coupled with the static conditions of the experimental procedure, might explain why vibrios, heterotrophic bacteria at 22°C, bacteria culturable at 37°C, total coliforms and E. coli densities were not significantly between Ti 1 and Ti 2 . On the other hand, it is well known the ability of filter feeders in regulating their pumping rates and even stop filtering, according to physiological and/or behavioural needs (Frost 1980;Kilian 1952;Ostroumov 2005;Ostroumov and Widdows 2006;Simpson 1984). By contrast, this trend was not always recorded for sponges, presumably due the high efficiency of H. perlevis pump/filter system within the 24 h and with the employed bacterial load. ...
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Production of polychlorinated biphenyls (PCB) was banned in the US in 1970s. However, susceptible populations especially those living at/around the contaminated sites continue to be at a risk of elevated exposure to PCBs because information about the contamination (of the environment) and its associated health risks may not reach these populations. A recent study found the second highest concentration of PCBs ever recorded worldwide in the sediment samples of Guánica Bay, located in the southwestern part of Puerto Rico. PCB levels in fish from the bay were also higher than the tolerance limit of Food and Drug Administration (FDA), which motivated this research to initiate a school-based campaign to bring community awareness about the contamination of the bay and engage students in preventive strategies to reduce their exposure to PCBs. Surveys before and after the campaign were administered in the high school as well as in the communities of Guánica Municipality. The analyses of the survey data suggest that the campaign was effective in bringing awareness among schoolchildren (6.6% before versus 69.7% after the campaign; χ² ~ 60.4; p < 0.001) and strategies to reduce PCB exposure and its toxicity such as removing adipose tissues from seafood/fish and exercising. In the community, there was a significant decline in the consumption of seafood/fish harvested from the bay after the campaign (54.6% before versus 33% after the campaign; χ² ~ 10.85; p < 0.001). However, the awareness did not result in significant behavior modifications among schoolchildren, such as avoiding swimming and fishing in the bay. Given hazardous levels of PCBs and some students use the bay for various purposes, including one-third of community members still use seafood/fish harvested from the bay, attention of different stakeholders is warranted for clean-up efforts as well as engaging children and communities in PCB exposure avoidance strategies.
... The first paper that reports experiments that showed that all three main kinds of synthetic surfactants (detergent chemicals) slow down the filtration of water by marine organisms, filter-feeders (the bivalve mussels of Atlantic Ocean, the Latin name Mytilus edulis). [5]. www.scribd.com/doc/45958156 ...
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25 Innovations in environmental science including aquatic ecology; https://www.researchgate.net/publication/279175142; DOI 10.13140/RG.2.1.4418.8886;
... The first paper that reports experiments that showed that all three main kinds of synthetic surfactants (detergent chemicals) slow down the filtration of water by marine organisms, filter-feeders (the bivalve mussels of Atlantic Ocean, the Latin name Mytilus edulis). [5]. www.scribd.com/doc/45958156 ...
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Innovations in environmental science. Review: 25 selected examples. Almost all of these 25 articles are available online free at ResearchGate. Moscow University, S.A. Ostroumov; https://www.researchgate.net/publication/278783368; (25 инноваций в науках об окружающей среде, updated) 5bio5.blogspot.com/2012/09/innovationsin-environmental-science.html ; The goal of this review is to provide a short summary of a series of 25 innovative publications on environmental science and ecology. The papers were authored by scientists of Moscow State University and their co-authors. The review is not a comprehensive analysis of this broad area but a summary of some selected examples which are useful both in advancing further research and in modernization of environmental education. The review is structured and the text is divided into short sections that are easy to read. 1. Biomachinery. In the insightful review paper [1], an innovative concept of ecosystem's biomachinery (a new scientific term that was proposed and explained in detail by the author. According to the author of this paper [1], biomachinery means ecological mechanisms that include biological communities and biodiversity) which improves water quality. The innovative experimental data analysis, concepts, and generalizations in this article provide the fundamental elements of the new qualitative theory of biocontrol of water quality in a systematized form. The theory covers water self-purification in freshwater and marine ecosystems [1]. 5bio5.blogspot.com/2012/08/biocontrol-of-water-quality.html 2. Rare earth elements in biodetritus in an aquatic system. This paper is the first publication that reported the concentrations of a number of rare earth elements in biodetritus (biological detritus) in an aquatic system [2]. www.scribd.com/doc/75098592 3. Innovative scientific terms (ecological chemomediators, ecological chemoregulators) The paper explained the innovative scientific terms (ecological chemomediators, ecological chemoregulators) that were coined in 1986 in the book S.A.Ostroumov 'Introduction to Biochemical Ecology' [3]. www.scribd.com/doc/63711272/ www.scribd.com/doc/73795942 4. New qualitative theory of biocontrol of water quality. This article provides the fundamental elements of a new qualitative theory of biocontrol of water quality in a systematized form. The theory covers water self-purification in freshwater and marine ecosystems.[4].
... Exposure to high surfactant concentration results in gill epithelial disruption causing subsequent asphyxiation or osmoregulatory failure (Mallatt 1985), while exposure to sublethal concentrations of surfactants causes gill epithelial hyperplasia, oxidative stress and mucus layer damage of fishes, which predispose them to microbial attack (Susmi et al. 2010). The detrimental effects of SDS on crustaceans are found to be less pronounced, yet reports on detrimental effects of this surfactant on filter feeding habits of bivalves (Ostroumov 2003) and mussel suspension feeding (Ostroumov and Widdows 2006) do exist. ...
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Surfactants toxicity has induced a worldwide alert followed by various regulations. There are still con- cerns about the biodegradability and ecofriendliness of surfactants. Reviews on surfactants are available, but a concise manuscript covering surfactant types, primary and secondary toxicity of surfactants, evaluating the level of surfactant pollution worldwide, is needed. We review here the safety of surfactants in the aquatic system, in terrestrial ecosystems and for humans. We discuss strategies to solve surfactant contamination. Remediation methods include ozonation, UV radiation and catalyst-coupled auto-oxida- tion. We focus on the biodegradation of the anionic detergents sodium dodecyl sulfate and linear alkyl benzene sulfonate. Finally, the relevance and role of biosurfactants as alternatives to synthetic detergents are also described
... Exposure to high surfactant concentration results in gill epithelial disruption causing subsequent asphyxiation or osmoregulatory failure (Mallatt 1985), while exposure to sublethal concentrations of surfactants causes gill epithelial hyperplasia, oxidative stress and mucus layer damage of fishes, which predispose them to microbial attack (Susmi et al. 2010). The detrimental effects of SDS on crustaceans are found to be less pronounced, yet reports on detrimental effects of this surfactant on filter feeding habits of bivalves (Ostroumov 2003) and mussel suspension feeding (Ostroumov and Widdows 2006) do exist. ...
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Surfactants toxicity has induced a worldwide alert followed by various regulations. There are still concerns about the biodegradability and ecofriendliness of surfactants. Reviews on surfactants are available, but a concise manuscript covering surfactant types, primary and secondary toxicity of surfactants, evaluating the level of surfactant pollution worldwide, is needed. We review here the safety of surfactants in the aquatic system, in terrestrial ecosystems and for humans. We discuss strategies to solve surfactant contamination. Remediation methods include ozonation, UV radiation and catalyst-coupled auto-oxidation. We focus on the biodegradation of the anionic detergents sodium dodecyl sulfate and linear alkyl benzene sulfonate. Finally, the relevance and role of biosurfactants as alternatives to synthetic detergents are also described.
... The most significant difference in physiological responses recorded was the clearance rate. Scope for growth showed the pattern similar to that of clearance rate; therefore measuring SFG is occasionally simplified to measuring clearance (Ostroumov & Widdows, 2006;Donkin et al., 1989;Donkin et al., 1997). However, the determination of clearance rate as a single physiological parameter does not have the same power of discrimination as the more complete and integrated measure termed SFG. ...
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This experiment was conducted to assess the effects of pollution on both the physiological and energetic characteristics (SFG) of Pteria aegyptiaca in the Gulf of Aqaba, Jordan. Four locations were chosen to represent both contaminated and uncontaminated locations. Phosphate Loading Berth (P) and the Industrial Area (I), represent contaminated locations, whilst the Hotels Area (H) and Marine Science Station (M) represent uncontaminated locations. The results of this experiment showed that contaminated regions had significant effects (P < 0.05) on respiration rate, clearance rate and absorption efficiency. A significant difference (P < 0.05) was identified between the scopes for growth of animals transplanted in contaminated regions compared with animals from uncontaminated locations. The Phosphate Loading Berth (P) and Industrial Area (I), showed thelowest SFG (18.7 ± 4.591 and 35.94 ± 7.412 Jh-1 respectively), reduced to only a half of SFG compared to uncontaminated locations. Results from our study indicate that oysters exposed to contaminated regions are highly compromised in both their energetics and physiology. Failure to improve the environmental conditions in these regions may have catastrophic effects on the micro and macro fauna.
... The detrimental effects of SDS on crustaceans are found to be less pronounced, yet reports on detrimental effects of this surfactant on fi lter feeding habits of bivalves (Ostroumov 2003 ) and mussel suspension feeding (Ostroumov and Widdows 2006 ) do exist. The toxicity of surfactants on survival, oxidative stress, and cholinesterase activity of planarian Dugesia japonica was evaluated and according to estimated 48-h LC 50 they were ranked as SDS > 4-nonylphenol > LAS > Hyamine 1622 > CTAB > Triton X-100 > PFOS > PFOA (Li 2008 ). ...
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Full-text available
Surfactants and the toxicity associated with it have aroused a worldwide alert, making various regulations on its usage and disposal. In this context much concern 1arises regarding the biodegradability and eco-friendliness of surfactants. Various reviews on surfactant and its toxicity are available; however a concise review covering surfactant types, primary and secondary toxicity of surfactants, evaluating the level of surfactant pollution worldwide makes this review more informative. This article deals with the safety concerns of surfactants on the aquatic system, terrestrial ecosystem and particularly on humans.
... The detrimental effects of SDS on crustaceans are found to be less pronounced, yet reports on detrimental effects of this surfactant on fi lter feeding habits of bivalves (Ostroumov 2003 ) and mussel suspension feeding (Ostroumov and Widdows 2006 ) do exist. The toxicity of surfactants on survival, oxidative stress, and cholinesterase activity of planarian Dugesia japonica was evaluated and according to estimated 48-h LC 50 they were ranked as SDS > 4-nonylphenol > LAS > Hyamine 1622 > CTAB > Triton X-100 > PFOS > PFOA (Li 2008 ). ...
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Surfactant toxicity has aroused a worldwide alert leading to various regulations on its usage and disposal. In this context much concern arises regarding the biodegradability and eco-friendliness of surfactants. Various reviews on surfactant and its toxicity are available; however there is a lack of a concise review covering surfactant types, primary and secondary toxicity of surfactants, evaluating the level of surfactant pollution worldwide. This chapter describes the safety concerns of surfactants on the aquatic system, terrestrial ...
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Harmful algal blooms (HABs) are extreme biological events representing a major issue in marine, brackish, and freshwater systems worldwide. Their proliferation is certainly a problem from both ecological and socioeconomic contexts, as harmful algae can affect human health and activities, the marine ecosystem functioning, and the economy of coastal areas. Once HABs establish, valuable and environmentally friendly control actions are needed to reduce their negative impacts. In this study, the influence exerted by the filter-feeding activity of the two sabellid polychaetes Branchiomma luctuosum (Grube) and Sabella spallanzanii (Gmelin) on a harmful dinoflagellate was investigated. Clearance rates (C) and retention efficiencies were estimated by employing the microalga Amphidinium carterae Hulburt. The Cmax was 1.15 ± 0.204 L h−1 g−1 DW for B. luctuosum and 0.936 ± 0.151 L h−1 g−1 DW for S. spallanzanii. The retention efficiency was 72% for B. luctuosum and 68% for S. spallanzanii. Maximum retention was recorded after 30 min for both species. The obtained results contribute to the knowledge of the two polychaetes’ filtration activity and to characterize the filtration process on harmful microalgae in light of the protection of water resources and human health. Both species, indeed, were extremely efficient in removing A. carterae from seawater, thus suggesting their employment as a new tool in mitigation technologies for the control of harmful algae in marine environments, as well as in the aquaculture facilities where HABs are one of the most critical threats.
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Aquaculture expansion is limited by the negative environmental impact of the waste and the need for alternative sources in the diet of reared fish. In this framework, for the first time, the survival rates, biomass gain, and fatty acid profiles of the polychaete Sabella spallanzanii and the macroalga Chaetomorpha linum, reared/cultivated as bioremediators in an integrated multitrophic aquaculture system (IMTA), were evaluated for their potential reuse applications. Results showed that these organisms represent a natural source of omega-3 and omega-6. On account of the overall results and the high biomass obtained as by-products, a preliminary study was performed employing both S. spallanzanii and C. linum as new dietary ingredients to feed different sized Dicentrarchus labrax. Fish survival rate, biomass growth, and specific growth rate were determined resulting in no significant differences between control and treated fishes. Histological analyses showed no alterations of the stomach tunica mucosa and submucosa in treated fishes. The eco-friendly approaches applied in the here-realized IMTA system could guarantee the achievement of sustainable by-products represented by the bioremediators S. spallanzanii and C. linum, as well as their reliability as a natural source of compounds beneficial to fish and human health.
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Садчиков А.П., Остроумов С.А. Совершенствование методологии при изучении гетеротрофной активности водорослей и бактерий. Ecological Studies, Hazards, Solutions. 2018. Vol.25. P. 153-160. https://www.researchgate.net/publication/332753797
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Садчиков А.П., Остроумов С.А. Методические аспекты изучения продукционно-деструкционных процессов в водных экосистемах // Ecological Studies, Hazards, Solutions. 2018. Vol.25. P.139-146.
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Садчиков А.П., Остроумов С.А. Потребление низкомолекулярного органического вещества водорослями и бактериями (на примере мезотрофной экосистемы). Ecological Studies, Hazards, Solutions. 2018. Vol.25. P.146-153. https://www.researchgate.net/publication/332753709 ;
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Ecological and biological systems / Ed. by S. A. Ostroumov et al. – Moscow : MAKS Press, 2018. – 200 p. ( Ecological Studies, Hazards, Solutions. Volume 25). https://www.researchgate.net/publication/331714769 ; ISBN 978-5-317-06080-0; Volume 25 of the series includes the proceedings of the scientific conferences ‘Ecological and Biological Systems’ that took place under the aegis of a section of the MOIP (Moscow Society of Nature Researchers) on 24th May 2018, and some other scientific and educational materials. The authors represent Moscow State University and other institutions and universities of Russia, and other countries. The volume is of interest to scientists in the fields of ecology, limnology, oceanography, zoology, botany, microbiology, environmental science (including biogeochemistry and geochemistry), as well as to university professors and educators. Languages of contributions: English, Russian, Chinese. ** Экологические и биологические системы / Отв. ред. С. А. Остроумов и др. – Москва : МАКС Пресс, 2018. – 200 с. – (Ecological Studies, Hazards, Solutions. Volume 25). ISBN 978-5-317-06080-0; Выпуск содержит труды научной конференции «Экологические и биологиче- ские системы», которая прошла под эгидой секции МОИП 24 мая 2018 года и дру- гие научные и учебно-методические материалы. Авторы – сотрудники МГУ, уче- ные других университетов и институтов России и других стран. Издание представ- ляет интерес для специалистов в области экологии, гидробиологии, океанологии, зоологии, микробиологии, наук об окружающей среде, а также для преподавателей высшей школы. Языки материалов сборника: русский, английский, китайский. Предисловие академика В. Н. Большакова.
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Big list of links. Part 3. Environmental science. https://www.researchgate.net/publication/328879513 ; ** http://5bio5.blogspot.com/2013/02/question-that-were-answered-in-book.html ** Questions that were answered in the book 'Biological Effects of Surfactants' http://5bio5.blogspot.com/2013/02/question-that-were-answered-in-book.html ** Biological effects of surfactants. Book:useful, innovative. environmental, toxicology, testing, hazards detergents, http://5bio5.blogspot.com/2013/02/biological-effects-of-surfactants.html ** British Library,Cambridge,Imperial College,Leeds,Natl Libr Scotland,Oxford,TrinityCollege,Dublin, Book on surfactants. Available: http://5bio5.blogspot.com/2013/02/ecotoxicology-british-library-cambridge.html ** Biological effects of surfactants.Book environmental, toxicology,bioassay, testing hazards detergents surfactants ** and lots of other links...
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The review covers new aspects of the participation of organisms in the detoxification system of the biosphere. Problems of detoxification of toxic environmental pollutants are analyzed. New author’s experimental data in combination with a large amount of information in the scientific literature gave rise to a new concept of the role of biogenic detritus and related nutrients in environmental detoxification (ex-living matter concept). This may be useful for the development of new technologies for remediation and decontamination of the environment.
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Chinese translation of the article. It was transated from English into Chinese, Title:On Studying the Hazards of Pollution of the Biosphere: Effects of Sodium Dodecylsulfate (SDS) on Planktonic Filter-Feeders; 中文(标题):研究生物圈的污染危害:十二烷基硫酸钠(SDS)的影响,对滤食性浮游动物的影响; https://www.researchgate.net/publication/259402821; Full reference of the English article: Vorozhun I. M., Ostroumov S. A. On studying the hazards of pollution of the biosphere: effects of sodium dodecylsulfate (SDS) on planktonic filter-feeders. - Doklady Biological Sciences, 2009, Vol. 425, pp. 133–134. ISSN 0012-4966. DOI: 10.1134/S0012496609020136; Full English text online: https://www.researchgate.net/publication/216175249 Translator: Ben Chen; Major:Ecology; University: SZ-BIT-MSU; Pargraph1: Many species of planktonic and benthic invertebrates are active filter-feeders. 中文:许多种类的浮游无脊椎动物和底栖无脊椎动物都是活性滤食性动物。 The filtration activity of aquaticorganisms is of great importance for the functioning of ecosystems [1-3]. 中文:水生生物的过滤活性对生态系统的功能至关重要[1-3]。 It was shown earlier that surfactant sodium dodecylsulfate (SDS) inhibits the filtration activity of Mytilus edulis, M. galloprovincialis, and some other aquatic filter-feeders [4-15], which is manifested in a decreased removal of suspensions from water by these organisms. 中文:之前已经有研究表明,表面活性剂十二烷基硫酸钠(SDS)抑制了紫贻贝(Mytilus edulis, M. galloprovincialis),和一些其他水生滤食性动物的过滤活性[4-15],表现为这些生物体从水中除去悬浮液的减少。 Similarly to other water pollutants, surfactants have a strong anthropogenic impact on ecosystems [14]. 中文:与其他水污染物类似,表面活性剂对生态系统具有强烈的人为影响[14]. Paragraph 2: 5. The goal of this study was to test whether SDS has an inhibitory effect on the ability of planktonic filter- feeders Daphnia magna to remove phytoplankton from water during their filtration activity. 中文:本研究的目的是检测SDS是否具有抑制浮游滤食性大型水蚤(Daphnia magna)去除水体中浮 游植物的能力。 6. Experiments were performed with five-day-old D. magna approximately 1 mm in size at an age of five days. 中文:实验是以五天大的大约1毫米大小的水蚤(D. magna)进行的。 7. Before the beginning of the experiment, daphnia were kept under laboratory conditions in vessels and fed with phytoplankton (green algae Scenedesmus quadricauda (Turp.) Breb.) at a low concentration (at most 50 thousand cells/ml). 中文:在实验开始之前,(水蚤)在实验室条件下保存在容器中,并用浮游植物喂食。(四尾栅藻)(green algae Scenedesmus quadricauda (Turp.) Breb.)在低浓度下最多5万个细胞/毫升) 8. At the beginning of the experiment, S. quadricauda cells were added at a higher concentration (400 thousand cells/ ml). 中文:实验开始时,栅藻细胞(S. quadricauda cells)在较高浓度下加入(400万个细胞/毫升)。 9. In the control variant, daphnia were incubated in an SDS-free medium. 中文:在控制变量中,水蚤在无SDS培养基中孵育 10. In the experimental variants, the incubation medium contained SDS at preliminarily selected concentrations (0.1, 0.5, 1, 5, and 10 mg/l). 中文:在实验的变量,培养基中SDS预先选定的浓度是(0.1, 0.5, 1, 5, and 10 mg/l) 11.The concentration of S. quadricauda cells was determined in a Nageotte counting chamber at a depth of 0.5 mm 3, 6, 9, 12, and 24 h after the beginning of the experiment. 中文:在计数板的深度在0.5毫米处分别在实验开始后的3, 6, 9、12,24小时确定栅藻细胞(S. quadricauda cells)浓度。 12. Each vessel contained 50 ml of water medium and 25 daphnia. 中文:每个容器含有50毫升的水介质和25个水蚤。 13. Incubation was performed at 24± 1.5°C. Each variant was performed in duplicate. 中文:每个样品都在24 ±1.5°C中孵育,并且重复执行 Paragraph 3. 14.The rate of food consumption (algae removal from water) by one daphnia (R) was calculated by conventional formula : R=(V(K0-Kt))/Nt 中文:用常规公式计算一只水蚤的食物消耗率(R):R=(V(K0-Kt))/Nt 15.where R is the mean rate of algae removal from water by one daphnia in 1 h in the considered time interval; V is the vessel volume, ml; 中文:其中R是指间隔的1小时内水蚤从水中去除藻类的平均速率;v是容器容积(毫升)。 16. K0 and Kt are the concentrations of algal cells at the beginning and end of experiment; 中文:K0和KT分别是指实验开始时和结束时藻细胞的浓度。 17. N is the number of daphnia in vessel; and t is the duration of experiment, h. 中文: N是导管内水蚤的数量;t是实验的持续时间(小时)。 Paragraph 4: 18. The results of experiments showed that the concentration of S. quadricauda cells gradually decreased with time (table). 中文:实验结果表明,栅藻细胞(S. quadricauda cells)浓度随时间逐渐下降。 19. This indicates that daphnia removed algal cells from water as a result of its filtration. 中文:这表明水蚤通过过滤去除水中的藻类细胞。 20. The concentration of algal cells decreased both in the control and at certain SDS concentrations (0.1, 0.5, 1, 5, and 10 mg/l). 中文:藻细胞浓度在对照组和SDS浓度下均降低。(0.1, 0.5, 1, 5, and 10 mg/l) Paragraph 5. 21. After incubation for 3 h in the presence of SDS at all concentrations studied (0.1 mg/Land higher), the number of algal cells was higher than in the control, indicating that the filtration rate and efficiency of algae removal from water decreased. 中文:分别对有SDS的样品(浓度为0.1 mg/L和以上)孵育3 h后,藻细胞数量高于对照组,表明藻类去除率和去除效率均下降。 Paragraph 6: 22. After filtration for 6–24 h in the presence of SDS at concentrations 5 and 10 mg/l, the abundance of S. quadricauda cells was higher than in the control. 中文:样品中SDS浓度为5和10毫克/升,经过6–24 h的过滤,栅藻细胞(S. quadricauda cells)丰度明显高于对照组。 23. At lower SDS concentrations (0.1, 0.5, and 1 mg/l), differences in the abundance of algal cells relative to the control were observed after 3 h of incubation and disappeared after 6–24 h of incubation. 中文:在较低的SDS浓度(0.1,0.5和1mg / l)下,孵育3小时后观察到栅藻细胞相对于对照物的差异,孵育6-24小时后消 Paragraph 7: 24. The calculation of the mean rate of algae removal by daphnia (R) showed that this parameter decreased in the first 3 h after the beginning of incubation in the presence of SDS. 中文:通过水蚤(R)计算平均藻类去除率显示,该参数在SDS存在之后的孵育开始3小时后降低。 25. R calculated after incubation for 3 h in the control (0 mg/ml SDS) was 74.4X〖10〗^3cells per one daphnia per 1 h; this value was taken as 100%. 中文:在对照(0mg / ml SDS)中孵育3小时后计算的R一个水蚤每1小时为74.4×〖10〗^3 澡细胞; 该值视为100%。 26. After incubation in the presence of 0.1 mg/l SDS, R decreased to 42.7X〖10〗^3 cells/ml (approximately (57.2% of the control). 中文:在0.1mg / L SDS存在下孵育后,R降至42.7 X〖10〗^3个细胞/ Ml (该值大约是对照组的57.2%) Table. Concentration of algae S. quadricauda cells in vessels with daphnia D. magna containing different concentrations of SDS (mg/l) 中文:在含有水蚤不同浓度SDS的试管中栅藻细胞(S. quadricauda cells)的浓度(毫克 /升) Incubation time,h孵育时间,小时 Number of cells in 1Ml (ml), x〖10〗^6(每毫升细胞数量) 0(control)对照 0.1 0.5 1 5 10 0 0.40 0.40 0.40 0.40 0.40 0.40 3 0.29 0.34 0.36 0.36 0.36 0.36 6 0.24 0.24 0.24 0.24 0.28 0.32 9 0.20 0.20 0.20 0.20 0.24 0.28 12 0.16 0.16 0.16 0.16 0.20 0.24 24 0.04 0.04 0.04 0.04 0.08 0.12 27. When SDS concentration was increased to 0.5 mg/L, R decreased by more than 60% relative to the control and reached 74.4 X〖 10〗^3 cells per one daphnia per 1 h (35.7%). 中文:当SDS浓度增加至0.5mg /L时,R相对于对照降低60%以上,一个水蚤每1h达到74.4 *〖10〗^3个藻细胞。(35.7%)。 Paragraph 8. 28. Importantly, we did not observe any increase in the mortality rate of daphnia within 3 days of incubation in the presence of SDS at the concentrations studied. 中文:重要的是,我们没有观察到在所研究的浓度下,SDS存在下孵化3天内水蚤的死亡率有任何增加。 29. Thus, the described effects were observed at sub-lethal concentrations of SDS. 中文:因此,我们将所观察到的影响称作SDS的亚致死浓度. Paragraph 9. 30.The results of this study are consistent with data obtained for other filter-feeders, including the results of our earlier studies of the effect of SDS on the filtration activity of M. edulis, M. galloprovincialis, and other filter-feeders [5,8,14,15]. 中文:这项研究的结果是获得其他滤食性动物的数据一致,包括我们早期关于SDS对贻贝(M. edulis, M. galloprovincialis)过滤活动,和其他滤食性动物效果的研究[5,8,14,15]。 Paragraph10. 31.The toxicological hazard of SDS is apparently determined by the membranotropic effect of this compound, which belongs to the group of anionic surfactants [14]. 中文:SDS的毒理学危害显然由本化合物的膜效应决定,该化合物属于阴离子表面活性剂[14]。 Paragraph 11. 32. Thus, the results of our experiments demonstrated that SDS decreases the rate of water filtration by the planktonic crustaceans D. magna, which is expressed in a decrease in the consumption of food and algae removal from water. 中文:因此,我们的实验结果表明,SDS降低了浮游甲壳类动物(crustaceans D. magna)的水过滤速率,其表现为食物(浮游植物)和从水中藻类消耗量的减少. Paragraph12. 33. The results of this study are important for understanding the hazard associated with anthropogenic disturbances of environmental processes 中文:这项研究的结果对于了解人为干扰环境过程的危害。 34. Essential for self-purification of water and biogeochemical fluxes of elements in aquatic ecosystems. 中文:对水生态系统中元素的生物地球化学的变化和水体的自净能力尤其重要。 Paragraph13. ACKNOWLEDGMENTS 35. We are grateful to A.F. Alimov for his comments and discussion of some questions considered in this study. 中文:我们非常感激A.F. Alimov对这项研究中几个问题进行评论和探讨。 REFERENCES 1. Alimov, A.F., Tr. Zool. Inst. AN SSSR, 1981, vol. 96, p. 248. 2. Sushchenya, L.M., Kolichestvennye zakonomernosti pitaniya rakoobraznykh (Quantitative Patterns and Nutrition of Crustaceans), Minsk: Nauka i Tekhnika, 1975. 3. Ostroumov, S.A., Suspension-Feeders as Factors Influencing Water Quality in Aquatic Ecosystems. In: The Comparative Roles of Suspension-Feeders in Ecosystems, Dordrecht: Springer, 2004, pp. 147–164. https://www.researchgate.net/publication/226658106; 4. Ostroumov, S.A., On the Biotic Self-purification of Aquatic Ecosystems: Elements of the Theory. Doklady Biological Sciences, V.396, 2004, p.206–211. https://www.researchgate.net/publication/259335499; [translated from the Russian version: Dokl. Akad. Nauk, 2004, vol. 396, no. 1, pp. 136–141]. 5. Ostroumov, S.A., Usp. Sovrem. Biol., 2004, vol. 124, no. 5, pp. 429–442. Ostroumov, S.A., [Biologicheskii mekhanizm samoochishcheniya v prirodnykh vodoemakh i vodotokakh: teoriya i praktika, Uspekhi Sovremennoi Biol, 2004, vol. 124, no.5, pp. 429–442; Остроумов С.А. Биологический механизм самоочищения в природных водоемах и водотоках: теория и приложения // Успехи современной биологии. 2004. Т. 124. №5. С. 429-442. Полный текст онлайн, in Russian: https://www.researchgate.net/publication/269764796; ] 6. Otkrytie novogo vida opasnykh antropogennykh vozdeistvii v ekologii zhivotnykh i biosfere: ingibirovanie fil’tratsionnoi aktivnosti mollyuskov poverkhnostno- aktivnymi veshchestvami (Discovery of a New Type of Dangerous Anthropogenic Impact in Animal Ecology and the Biosphere: Inhibition of the Filtration Activity of Mollusks by Surfactants), Dobrovol’skii, G.V., Rozenberg, G.S,, and Toderash, I.K, Eds., Moscow: MAKS- Press, 2008. 7. Nauchnye otkrytiya. Sbornik kratkikh opisanii nauchnykh otkrytii-2005 (Scientific Discoveries: Selected Brief Descriptions of Scientific Discoveries 2005) Kuznetsov, O.L., Ed., Moscow: Mezhdunarodnaya Akademiya Avtorov Nauchnykh Otkrytii i Izobretenii, 2006, pp. 5–8 (Discovery Certificate no. 274). 8. Ostroumov, S.A., Inhibitory analysis of top-down control: New keys to studying eutrophication, algal blooms, and water self-purification. Hydrobiologia, 2002, vol. 469, pp. 117–129. https://www.researchgate.net/publication/200587396; 9. Ostroumov, S.A., Polyfunctional role of biodiversity in processes leading to water purification: current conceptualizations and concluding remarks.- Hydrobiologia, 2002, 469: 203-204. DOI: 10.1023/A:1015555022737; https://www.researchgate.net/publication/200582742; 10. Ostroumov, S.A., Biological filtering and ecological machinery for self-purification and bioremediation in aquatic ecosystems: towards a holistic view. - Rivista di Biologia, 1998, vol. 91, no. 2, pp. 221–232. https://www.researchgate.net/publication/215639449; 11. Ostroumov, S.A., Anthropogenic effects on the biota: Towards a new system of principles and criteria for analysis of ecological hazards. - Rivista di Biologia - Biology Forum. 2003. Vol. 96 (1). P. 159-169. (2003). https://www.researchgate.net/publication/215639427 ; 12. Ostroumov, S.A., Verh. Int. Ver. Limnol., 2005, vol. 29, no. 2, pp. 1072–1075. 13. Ostroumov, S.A., Some Aspects of Water Filtering Activity of Filter-Feeders, Hydrobiologia, 2005, vol. 542, pp. 275–286. https://www.researchgate.net/publication/226902807 ; 14. Ostroumov, S.A., Biological Effects of Surfactants, Boca Raton: CRC, 2006. https://www.researchgate.net/publication/200637626; 15. Ostroumov, S.A., and Widdows, J., Inhibition of mussel suspension feeding by surfactants of three classes. Hydrobiologia, 2006, vol. 556, no. 1, pp. 381–386. https://www.researchgate.net/publication/259402821; Pictures – see next page: Daphnia magna ** Scenedesmus quadricauda ** Scenedesmus quadricauda **
Book
Текст книги. РОЛЬ БИОТЫ В ЭКОЛОГИЧЕСКИХ МЕХАНИЗМАХ САМООЧИЩЕНИЯ ВОДЫ. С.А.Остроумов. https://www.researchgate.net/publication/313248439;
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Part 2 of huge 7000-page list of posts, links on environmental safety, science, environmental science, biology, ecology, water quality, ecotoxicology: https://www.researchgate.net/publication/308412948; From content: Response of test-organisms to water pollution with quaternary ammonia compounds Ostroumov, S.A. (Moscow State University) http://5bio5.blogspot.com/2013/01/response-of-test-organisms-to-water.html ** Russians respectable in Harvard. University library: biology, chemistry, environmental_science, conservation. Available: http://5bio5.blogspot.com/2013/01/books-of-russian-scientists-in-library.html ** Technology of protection of climate and environment will be based on ecological research. A new concept was proposed by S. Ostroumov, Moscow University:
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Part 3 of 7000-page list of posts on environmental science, biology, ecology, water quality, ecotoxicology. https://www.researchgate.net/publication/308411563 ** From content: http://5bio5.blogspot.com/2013/02/question-that-were-answered-in-book.html ** Questions that were answered in the book 'Biological Effects of Surfactants' http://5bio5.blogspot.com/2013/02/question-that-were-answered-in-book.html ** Biological effects of surfactants. Book:useful, innovative. environmental, toxicology, testing, hazards detergents, http://5bio5.blogspot.com/2013/02/biological-effects-of-surfactants.html ** British Library,Cambridge,Imperial College,Leeds,Natl Libr Scotland,Oxford,TrinityCollege,Dublin, Book on surfactants. Available: http://5bio5.blogspot.com/2013/02/ecotoxicology-british-library-cambridge.html ** Biological effects of surfactants.Book environmental, toxicology,bioassay, testing hazards detergents surfactants
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Абакумов В.А. НОВОЕ В ИЗУЧЕНИИ СОВРЕМЕННЫХ ПРОБЛЕМ НАУК ОБ ОКРУЖАЮЩЕЙ СРЕДЕ И ЭКОЛОГИИ, ВКЛЮЧАЯ ИССЛЕДОВАНИЯ ВОДНЫХ ЭКОСИСТЕМ И ОРГАНИЗМОВ.-Успехи наук о жизни.2012, No.5,c.121-126. https://www.researchgate.net/publication/299442419
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Абакумов В.А. Новое в изучении современных проблем наук об окружающей среде и экологии, включая исследования водных экосистем и организмов // Успехи наук о жизни. 2012. No. 5, p. 121-126. https://www.researchgate.net/publication/299442286; полный текст.
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Review. The review is on new achievements in environmental science and ecology. The review cited a selected list of relevant publications with substancial innovations in ecotoxicology, aquatic ecology, and related areas of science. Among the cited publications: Medium-term and long-term priorities in ecological studies. See the full text: https://www.researchgate.net/publication/200594244; This file was uploaded as a supplement to: Medium-term and long-term priorities in ecological studies. See the full text: https://www.researchgate.net/publication/200594244;
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Абакумов В.А. Новое в изучении...-Успехи наук о жизни.2012,No.5,c.121-126. https://www.researchgate.net/publication/299442252 ;
Chapter
Surfactant toxicity has aroused a worldwide alert leading to various regulations on its usage and disposal. In this context much concern arises regarding the biodegradability and eco-friendliness of surfactants. Various reviews on surfactant and its toxicity are available; however there is a lack of a concise review covering surfactant types, primary and secondary toxicity of surfactants, evaluating the level of surfactant pollution worldwide. This chapter describes the safety concerns of surfactants on the aquatic system, terrestrial ecosystem and particularly on humans. We present remediation methods to solve surfactant contamination, such as ozonation, UV radiation, catalyst coupled autooxidation. Biological degradation of surfactants is highlighted with reference to the most commonly used anionic detergents sodium dodecyl sulfate (SDS) and linear alkyl benzene sulfonate (LAS). Biodegradation pathways and mechanism are discussed. Green surfactants are presented. Finally the relevance and role of biosurfactants as alternatives to synthetic detergents is described.
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History of tourism �Theoretical and methodological foundations of tourism and recreation Historical Sciences and Humanities�Psychology and Sociology Sciences�Management and Marketing Economic of Agriculture, Agronomy & Forestry History of Science and Technics Innovative Technologies Innovations in Medicine Social Science�Economic Science�Pedagogy Science�Politology
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Publications [with DOI, covers of books]: ecology, conservation, environmental science, aquatic science, ecotoxicology, biology, biomembranes. https://www.researchgate.net/publication/277007910; The full texts and/or abstracts available on ResearchGate, and libraries of 600+ universities, Updated on ResearchGate, 2015, May 25. http://5bio5.blogspot.com/2015/05/25515-publications-some-with-doi.html Awards & Grants to the author of the publications: Jul 2014 Award: 2014 Certificate of Merit. From Serbian Society for Environmental Protection, and Scientific Institute Petar Karic, to Dr. Sergei Ostroumov, for 'his distinguished contribution to biogeochemistry and the environmental protection' (17.07.2014) Jul 2014 Award: Diploma in recognition of discoveries and significant contribution to environmental science and biology http://5bio5.blogspot.com/2014/07/award-to-series-of-publications-on.html (Academy of Aquatic Sciences) May 2012 Award: Diploma for an outstanding scientific discovery and presentations at the scientific forum (G.V.Plekhanov Russian Economics University; Organizing Committee of the International Scientific Conference 'Biology - Science of 21st Century') Jun 2011 Award: V.V.Kowalsky Medal for achievements and discoveries in biogeochemistry, environmental science, and ecology Sep 2010 Award: Fulbright Jun 2009 Award: Honorary Title 'Aquatic Ecologist of the Year' Oct 2005 Award: Honorary Diploma from the journal Ecology and Life May 2005 Award: Certificate of Completion. Contemporary Issues Fellowship Program (Bureau of Educational and Cultural Affairs, IREX) Jan 2005 Award: Certificate of Scientific Discovery No.274, January 31, 2005. Jan 2005 Award: P.L.Kapitsa Medal, for scientific discovery Jun 2004 Award: Diploma. The Presidium of the Moscow Union of Scientific and Engineering Associations awards the Diploma to Dr. Ostroumov, Sergei A., the leading researcher at M.V. Lomonosov Moscow State University, Doctor of Biological Sciences - for his outstanding contribution to the development of science of hydrobiology, training of scientific personnel. Signed: the Chairman of the Moscow Union of Scientific and Engineering Associations. 16th June, 2004 Sep 1980 Award: The Honorary Diploma and Prize at the All-Union Competition for the Best Popular Science Books. The book awarded: Conservation of Animal World. Moscow, Znanie Press. 1979. Yablokov A.V., S.A.Ostroumov. Languages: English, Russian; some books were translated into Spanish, Czech, Polish, Bulgarian;
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Полный текст доступен бесплатно - Полный текст статьи (рецензии) здесь: https://www.academia.edu/11741504/Buryak_Аleksey_К._Буряк_А._К._ИННОВАЦИОННЫЕ_АСПЕКТЫ_БИОГЕОХИМИИ ; ** Abstract: Эта рецензия опубликована в журнале Успехи наук о жизни, в 2013. Полный текст доступен бесплатно - на странице http://scipeople.ru/publication/120009/ кликните на название файла: Буряк А.К. Успехи наук о жизни.2013.pdf 216,6 Kb: Buryak, А. К. (Буряк А. К.) ИННОВАЦИОННЫЕ АСПЕКТЫ БИОГЕОХИМИИ И АКТУАЛЬНЫЕ ПРОБЛЕМЫ ИЗУЧЕНИЯ БИОСФЕРЫ / INNOVATIVE ASPECTS OF BIOGEOCHEMISTRY AND RELEVANT ISSUES OF STUDYING BIOSPHERE. В этой публикации дан анализ недавно вышедшей книги под названием «Инновацион- ные аспекты биогеохимии» В.В. Ермакова, Е.А. Карповой, В.Д. Корж, С.А. Остроумова (г. Москва). В книге изложено большое количество новых фактов из области геохимии, биологии, экологии, биохимии и химии биосферы, подведены итоги исследований авто- ров в этих областях. Авторы книги изложили также новые полезные идеи по биогеохи- мии наземных и водных экосистем. Книга рекомендована ученым и преподавателям в области экологических наук, наук о жизни, океанологии, почвоведения и геохимии. Ключевые слова: биогеохимия, биосфера, микроэлементы. In this publication an analysis of a recent book entitled “Innovative Aspects of Biogeochemistry”, co-authored and published by four scientists V.V. Ermakov, E.A. Karpova, V.D. Korzh, S.A. Ostroumov (Moscow) is given. In the book a large amount of new facts in geochemistry, biology, ecology, biochemistry, and chemistry of the biosphere was summarized. The authors of the book presented new useful concepts on biogeochemistry of terrestrial and aquatic environment and ecosystems. The book is recommended to scientists and lecturers on environmental sciences, life sciences, oceanology, soil science, and geochemistry. Key words: biogeochemistry, biosphere, microelements. ** на странице http://scipeople.ru/publication/120009/ кликните на название файла: Буряк А.К. Успехи наук о жизни.2013.pdf 216,6 Kb: Библиографическая ссылка: ИННОВАЦИОННЫЕ АСПЕКТЫ БИОГЕОХИМИИ И АКТУАЛЬНЫЕ ПРОБЛЕМЫ ИЗУЧЕНИЯ БИОСФЕРЫ. Буряк А.К. Успехи наук о жизни. 2013. № 6. С. 84-86. INNOVATIVE ASPECTS OF BIOGEOCHEMISTRY AND RELEVANT ISSUES OF STUDYING BIOSPHERE. Buryak Aleksey K. ( Frumkin Institute of Physical Chemistry and Electrochemistry RAS, Moscow, Russian Federation). https://www.researchgate.net/publication/274254737; In this publication an analysis of a recent book entitled “Innovative Aspects of Biogeochemistry”, co-authored and published by four scientists V.V. Ermakov, E.A. Karpova, V.D. Korzh, S.A. Ostroumov (Moscow) is given. In the book a large amount of new facts in geochemistry, biology, ecology, biochemistry, and chemistry of the biosphere was summarized. The authors of the book presented new useful concepts on biogeochemistry of terrestrial and aquatic environment and ecosystems. The book is recommended to scientists and lecturers on environmental sciences, life sciences, oceanology, soil science, and geochemistry. Издательство: Редакция журнала "Успехи наук о жизни" (Владивосток) ISSN: 2078-1520 КЛЮЧЕВЫЕ СЛОВА: БИОГЕОХИМИЯ, БИОСФЕРА, МИКРОЭЛЕМЕНТЫ, BIOGEOCHEMISTRY, BIOSPHERE, MICROELEMENTS АННОТАЦИЯ: В этой публикации дан анализ недавно вышедшей книги под названием «Инновационные аспекты биогеохимии» В.В. Ермакова, Е.А. Карповой, В.Д. Корж, С.А. Остроумова (г. Москва). В книге изложено большое количество новых фактов из области геохимии, биологии, экологии, биохимии и химии биосферы, подведены итоги исследований авторов в этих областях. Авторы книги изложили также новые полезные идеи по биогеохимии наземных и водных экосистем. Книга рекомендована ученым и преподавателям в области экологических наук, наук о жизни, океанологии, почвоведения и геохимии. СПИСОК ЦИТИРУЕМОЙ ЛИТЕРАТУРЫ: 1. Ермаков В.В., Карпова Е.А., Корж В.Д., Остроумов С.А. Инновационные аспекты биогеохимии/Отв. ред. М.А. Федонкин, С.А. Остроумов. М.: ГЕОХИ РАН, 2012. 340 с. 2. Вернадский В.И. Биосфера. I-II. Л.: Науч. хим.-техн. изд-во, 1926. 147 с. 3. Вернадский В.И. Химическое строение биосферы Земли и ее окружения. М.: Наука, 2001г. 4. Вернадский В.И. Эволюция видов и живое вещество//Природа. 1928. № 3. С. 227-250. 5. Вернадский В.И. Проблемы биогеохимии. I. Значение биогеохимии для познания биосферы. Л.: Изд-во АН СССР, 1934. 47 с. 6. Вернадский В.И. О пределах биосферы//Изв. АН СССР. Сер. геол. 1937. № 1. С. 3-34. 7. Вернадский В.И. Проблемы биогеохимии. II. О коренном материально-энергетическом отличии живых и косных естественных тел биосферы. М.; Л.: Изд-во АН СССР, 1939. 34 с. 8. Вернадский В.И. О геологических оболочках Земли как планеты//Изв. АН СССР. Сер. геогр. и геофиз. 1942. № 6. С. 251-262. 9. Вернадский В.И. Биосфера. I-II. Избр. соч. М.: Изд-во АН СССР, 1960. Т. 5./Под ред. А.П. Виноградова. С. 5-102. 10. Вернадский В.И. Химическое строение биосферы Земли и ее окружения. М.: Наука, 1965. 374 с. 11. Вернадский В.И. Живое вещество. М.: Наука, 1978. 358 с. 12. Vernadsky V.I. La biosphère. Paris: Alcan, 1929. 232 p. 13. Ковальский В.В. Геохимическая экология: Очерки. М.: Наука, 1974. 299 с. 14. Ковальский В.В. Geochemische Okologie. Biogeochemie. Berlin, 1977. 353 s. 15. Ковальский В.В. Геохимическая среда и жизнь. М.: Наука, 1982. 77 с. 16. Ковальский В.В. Проблемы биогеохимии микроэлементов и геохимической экологии. Избранные труды/Авт. вступ. ст. Л.К. Эрнст; сост. Ю.В. Ковальский М.: Россельхозакадемия, 2009. 357 с. 17. Ермаков В.В., Ковальский В.В. Биологическое значение селена. М.: Наука, 1974.300 с. 18. Ермаков В.В., Таланов Г.А., Федотова В.И. Методы определения некоторых химических элементов и их максимально допустимый уровень в кормах сельскохозяйственных животных. Челябинск, 1988. 165 с. 19. Акопова В.А., Ермаков В.В. и др. Экология человека в сурьмяном биогеохимическом регионе. Фрунзе, 1991. 167 с. 20. Башкин В.Н., Евстафьева И.В., Ермаков В.В. и др. Биогеохимические основы экологического нормирования. М.: Наука, 1993. 300 с. 21. Дженбаев Б.М., Мурсалиев А.М., Ермаков В.В., Аденов Д.А. Биогенные химические элементы и селеновый статус. Бишкек, 1999. 90 с. 22. Ермаков В.В., Тютиков С.Ф. Геохимическая экология животных. М.: Наука, 2008. 315 с. 23. Остроумов С.А. Химико-биотические взаимодействия и новое в учении о биосфере В.И. Вернадского. М.: МАКС-пресс, 2013. 92 с. 24. Остроумов С.А. Система принципов для сохранения биогеоценотической функции и биоразнообразия фильтраторов//Доклады Академии наук. 2002. Т. 383.№ 5. С. 710-713. 25. Ostroumov S.A., Widdows J. Inhibition of mussel suspension feeding by surfactants of three classes//Hydrobiologia. 2006. Т. 556. № 1. С. 381-386. 26. Ostroumov S.A. Criteria of ecological hazards due to anthropogenic effects on the biota: searching for a system//Doklady Biological Sciences. 2000. Vol. 371. С. 204-206. 27. Ostroumov S.A. Problems of assessment of biological activity of xenobiotics//Moscow University Biological Sciences Bulletin. 1990. Vоl. 45. № 2. P. 26-32. 28. Ostroumov S.A. Ecological concepts "ecosystem", "biogeocenosis", "ecosystem boundaries": search for new definitions//Moscow University Biological Sciences Bulletin. 2003. Vol. 58. № 3. P. 29-38. 29. Ostroumov S.A. Elements of the qualitative theory of biotic self-purification of aquatic ecosystems. Application of the theory to biodiversity conservation practice//Moscow University Biological Sciences Bulletin. 2004. Vol. 59. №. 1. P. 26-35. 30. Ostroumov S.A., Widdows J. Effects of cationic surfactant on mussels: inhibition of water filtration//Moscow University Biological Sciences Bulletin. 2004. Vol. 59. № 4. P. 29-33. 31. Solomonova E.A., Ostroumov S.A. Tolerance of an aquatic macrophyte Potamogeton crispus L. to sodium dodecyl sulphate//Moscow University Biological Sciences Bulletin. 2007. Vol. 62. № 4. P.176-179. Abstract /Annotation of this paper: http://5bio5.blogspot.com/2015/03/1-1.html; Полный текст статьи (рецензии) здесь: https://www.academia.edu/11741504/Buryak_Аleksey_К._Буряк_А._К._ИННОВАЦИОННЫЕ_АСПЕКТЫ_БИОГЕОХИМИИ ** Статья с положительной оценкой книги «Инновационные аспекты биогеохимии» В.В. Ермакова, Е.А. Карповой, В.Д. Корж, С.А. Остроумова. Опубликовано в журнале Успехи наук о жизни, 2013. А.К. Buryak INNOVATIVE ASPECTS OF BIOGEOCHEMISTRY … Буряк Алексей Константинович – д.x.н., профессор, заведующий лаборатори- ей, Институт физической химии и электрохимии им. А.Н. Фрумкина РАН, г. Москва Buryak Аleksey К. – D. Chem. Sc, professor, head of laboratory, Frumkin Institute of Physical Chemistry and Electrochemistry RAS, Moscow УДК 502: 504.7:550.4:574 ИННОВАЦИОННЫЕ АСПЕКТЫ БИОГЕОХИМИИ И АКТУАЛЬНЫЕ ПРОБЛЕМЫ ИЗУЧЕНИЯ БИОСФЕРЫ INNOVATIVE ASPECTS OF BIOGEOCHEMISTRY AND RELEVANT ISSUES OF STUDYING BIOSPHERE В этой публикации дан анализ недавно вышедшей книги под названием «Инновацион- ные аспекты биогеохимии» В.В. Ермакова, Е.А. Карповой, В.Д. Корж, С.А. Остроумова (г. Москва). В книге изложено большое количество новых фактов из области геохимии, биологии, экологии, биохимии и химии биосферы, подведены итоги исследований авто- ров в этих областях. Авторы книги изложили также новые полезные идеи по биогеохи- мии наземных и водных экосистем. Книга рекомендована ученым и преподавателям в области экологических наук, наук о жизни, океанологии, почвоведения и геохимии. Ключевые слова: биогеохимия, биосфера, микроэлементы. In this publication an analysis of a recent book entitled “Innovative Aspects of Biogeochemis- try”, co-authored and published by four scientists V.V. Ermakov, E.A. Karpova, V.D. Korzh, S.A. Ostroumov (Moscow) is given. In the book a large amount of new facts in geochemistry, biology, ecology, biochemistry, and chemistry of the biosphere was summarized. The authors of the book presented new useful concepts on biogeochemistry of terrestrial and aquatic envi- ronment and ecosystems. The book is recommended to scientists and lecturers on environ- mental sciences, life sciences, oceanology, soil science, and geochemistry. Key words : biogeochemistry, biosphere, microelements. Цель данной публикации – откликнуться на новую полезную книгу в облас- ти наук об окружающей среде. Рецензируемая книга В.В. Ермакова c соавт. [1] посвящена актуальным вопросам биогеохимии. Проблемы биогеохимии, по- ставленные еще В.И. Вернадским [2–12], продолжают оставаться в центре вни- мания ученых [13–25 и др.]. В рецензируемой книге несколько глав, посвященных проблемам изучения окружающей среды, в том числе вопросам биогеохимии и геохимии, а также смежным с ними вопросам экологии и гидробиологии. В отдельных главах мо- нографии рассматриваются новые факты и идеи, связанные с выявлением и профилактикой болезней, вызванных нехваткой или избытком микроэлементов (микроэлементозы) у животных и человека. По-новому интерпретировано поня- тие биокосного вещества. Анализируется роль организмов и создаваемого ими вещества в биогеохимических циклах. Рассмотрена биогеохимическая модель взаимодействия Мирового океана и континентов. Представленная системная методология основана на принципах синергетики и позволяет адекватно описать и смоделировать гидросферу в це- лом как сложную динамическую систему с многочисленными гидродинамиче- скими, химическими, биологическими и другими процессами, среди которых определяющую роль играют потоки и трансформация вещества в биогеохимиче- ских барьерах (река–море, океан–атмосфера). Освещены проблемы биогеохимии 84 ----------------------- Page 2----------------------- А.К. Buryak INNOVATIVE ASPECTS OF BIOGEOCHEMISTRY … почв и современные проблемы агробиогеохимии, в особенности биогеохимиче- ская роль многократного применения удобрений. Особое внимание авторы уде- лили концепции баланса биогеохимических циклов и организованности биосфе- ры, принципу бережливости природных ресурсов и некоторым прогнозным оценкам эволюции таксонов биосферы. Идеи и методические подходы, изложенные в монографии ученых двух ин- ститутов РАН (Институт геохимии и Институт океанологии) и двух факультетов МГУ им. М.В. Ломоносова (биологический факультет, факультет почвоведе- ния), представляют научную и практическую ценность, способствуют дальней- шему развитию биогеохимии и геохимической экологии – важнейших направле- ний современного естествознания. Идеи и выводы, приведенные в книге, согласуются с результатами, изло- женными в серии других публикаций, например [13–31]. Книга [1] представляет интерес для специалистов в области наук об окружающей среде и биологии, сельского хозяйства, биогеохимии, экологии, биохимии, медицины, биотехноло- гии, почвоведения, агрохимии, океанологии, а также для преподавателей и сту- дентов высших учебных заведений. Учитывая недостаточный тираж и широкую потенциальную аудиторию за- интересованных читателей, можно рекомендовать переиздание книги. Список литературы 1. Ермаков В.В., Карпова Е.А., Корж В.Д., Остроумов С.А. Инновационные ас- пекты биогеохимии / Отв. ред. М.А. Федонкин, С.А. Остроумов. М.: ГЕОХИ РАН, 2012. 340 с. 2. Вернадский В.И. Биосфера. I-II. Л.: Науч. хим.-техн. изд-во, 1926. 147 с. 3. Вернадский В.И. Химическое строение биосферы Земли и ее окружения. М.: Наука, 2001г. 4. Вернадский В.И. Эволюция видов и живое вещество // Природа. 1928. № 3. С. 227-250. 5. Вернадский В.И. Проблемы биогеохимии. I. Значение биогеохимии для по- знания биосферы. Л. : Изд-во АН СССР, 1934. 47 с. 6. Вернадский В.И. О пределах биосферы // Изв. АН СССР. Сер. геол. 1937. № 1. С. 3-34. 7. Вернадский В.И. Проблемы биогеохимии. II. О коренном материально- энергетическом отличии живых и косных естественных тел биосферы. М.; Л.: Изд-во АН СССР, 1939. 34 с. 8. Вернадский В.И. О геологических оболочках Земли как планеты // Изв. АН СССР. Сер. геогр. и геофиз. 1942. № 6. С. 251-262. 9. Вернадский В.И. Биосфера. I-II. Избр. соч. М.: Изд-во АН СССР, 1960. Т. 5. / Под ред. А.П. Виноградова. С. 5-102. 10. Вернадский В.И. Химическое строение биосферы Земли и ее окружения. М.: Наука, 1965. 374 с. 11. Вернадский В.И. Живое вещество. М.: Наука, 1978. 358 с. 12. Vernadsky V.I. La biosphère. Paris: Alcan, 1929. 232 p. 13. Ковальский В.В. Геохимическая экология: Очерки. М.: Наука, 1974. 299 с. 14. Ковальский В.В. Geochemische Okologie. Biogeochemie. Berlin, 1977. 353 s. 15. Ковальский В.В. Геохимическая среда и жизнь. М.: Наука, 1982. 77 с. 16. Ковальский В.В. Проблемы биогеохимии микроэлементов и геохимической экологии. Избранные труды / Авт. вступ. ст. Л.К. Эрнст; сост. Ю.В. Коваль- ский М.: Россельхозакадемия, 2009. 357 с. 17. Ермаков В.В., Ковальский В.В. Биологическое значение селена. М.: Наука, 1974. 300 с. 18. Ермаков В.В., Таланов Г.А., Федотова В.И. Методы определения некоторых химических элементов и их максимально допустимый уровень в кормах сель- скохозяйственных животных. Челябинск, 1988. 165 с. 19.Акопова В.А., Ермаков В.В. и др. Экология человека в сурьмяном биогеохи- мическом регионе. Фрунзе, 1991. 167 с. 20. Башкин В.Н., Евстафьева И.В., Ермаков В.В. и др. Биогеохимические основы экологического нормирования. М.: Наука, 1993. 300 с. 21.Дженбаев Б.М., Мурсалиев А.М., Ермаков В.В., Аденов Д.А. Биогенные хими- ческие элементы и селеновый статус. Бишкек, 1999. 90 с. 22. Ермаков В.В., Тютиков С.Ф. Геохимическая экология животных. М.: Наука, 2008. 315 с. 23. Остроумов С.А. Химико-биотические взаимодействия и новое в учении о биосфере В.И. Вернадского. М.: МАКС-пресс, 2013. 92 с. 24. Остроумов С.А. Система принципов для сохранения биогеоценотической функции и биоразнообразия фильтраторов // Доклады Академии наук. 2002. Т. 383. № 5. С. 710-713. 25. Ostroumov S.A., Widdows J. Inhibition of mussel suspension feeding by surfactants of three classes // Hydrobiologia. 2006. Т. 556. № 1. С. 381-386. 26. Ostroumov S.A. Criteria of ecological hazards due to anthropogenic effects on the biota: searching for a system // Doklady Biological Sciences. 2000. Vol. 371. С. 204-206. 27. Ostroumov S.A. Problems of assessment of biological activity of xenobiotics // Moscow University Biological Sciences Bulletin. 1990. Vоl. 45. № 2. P. 26-32. 28. Ostroumov S.A. Ecological concepts "ecosystem", "biogeocenosis", "ecosystem boundaries": search for new definitions // Moscow University Biological Sciences Bulletin. 2003. Vol. 58. № 3. P. 29-38. 29. Ostroumov S.A. Elements of the qualitative theory of biotic self-purification of aquatic ecosystems. Application of the theory to biodiversity conservation practice // Moscow University Biological Sciences Bulletin. 2004. Vol. 59. №. 1. P. 26-35. 30. Ostroumov S.A., Widdows J. Effects of cationic surfactant on mussels: inhibition of water filtration // Moscow University Biological Sciences Bulletin. 2004. Vol. 59. № 4. P. 29-33. 31. Solomonova E.A., Ostroumov S.A. Tolerance of an aquatic macrophyte Potamoge- ton crispus L. to sodium dodecyl sulphate // Moscow University Biological Sciences Bulletin. 2007. Vol. 62. № 4. P.176-179. ** Глава 3 книги написана д.б.н. С.А.Остроумовым. Эта глава написана на основе ранее сделанных автором докладов в МГУ и Институте геохимии и аналитической химии им. В.И.Вернадского РАН. Глава содержит результаты новых экспериментов автора с водными экспериментальными системами, содержащими биогенные материалы и ряд химических элементов, включая тяжелые металлы и редкоземельные элементы. На основе новых экспериментов и анализа других данных сделаны выводы о роли биогенных материалов в модификации биогенной миграции элементов. Выявлен функционально новый тип вещества, существенный для функционирования биосферы. Этот новый тип вещества, отличный от живого и неживого вещества, назван "третьим типом вещества" или "экс-живое вещество" (Ex-Living Matter, ELM). Сформулирована новая типология вещества в биосфере. Библиография к главе 3: 77 источников. ** book; in the part of the book (Chapter 3) written by Sergei Ostroumov, some new experiments are described whish led to a discovery of a new type of substances in the environment. This new type of substances does not belong to the alive matter (living matter); this type of substances does not belong to the non-alive matter. These substances form an additional third type of the matter (Ex-Living Matter, ELM) in the environment and in the biosphere. Reference, Chapter 3: Остроумов С. А. Живое вещество и роль детрита в биогенной миграции микроэлементов. В книге: Ермаков В. В., Карпова Е. А., Корж В. Д., Остроумов С. А. Инновационные аспекты биогеохимии (М.: ГЕОХИ РАН, 2012), с. 103-133. Full text of the chapter (Chapter 3), online free: https://www.researchgate.net/publication/301683889; Chapter 3: DOI: 10.13140/RG.2.1.1847.8487; ** Глава 3 книги написана д.б.н. С.А.Остроумовым. Эта глава написана на основе ранее сделанных автором докладов в МГУ и Институте геохимии и аналитической химии им. В.И.Вернадского РАН. Глава содержит результаты новых экспериментов автора с водными экспериментальными системами, содержащими биогенные материалы и ряд химических элементов, включая тяжелые металлы и редкоземельные элементы. На основе новых экспериментов и анализа других данных сделаны выводы о роли биогенных материалов в модификации биогенной миграции элементов. Выявлен функционально новый тип вещества, существенный для функционирования биосферы. Этот новый тип вещества, отличный от живого и неживого вещества, назван "третьим типом вещества" или "экс-живое вещество" (Ex-Living Matter, ELM). Сформулирована новая типология вещества в биосфере. Библиография к главе 3: 77 источников. ** book; in the part of the book (Chapter 3) written by Sergei Ostroumov, some new experiments are described whish led to a discovery of a new type of substances in the environment. This new type of substances does not belong to the alive matter (living matter); this type of substances does not belong to the non-alive matter. These substances form an additional third type of the matter (Ex-Living Matter, ELM) in the environment and in the biosphere. Reference, Chapter 3: Остроумов С. А. Живое вещество и роль детрита в биогенной миграции микроэлементов. В книге: Ермаков В. В., Карпова Е. А., Корж В. Д., Остроумов С. А. Инновационные аспекты биогеохимии (М.: ГЕОХИ РАН, 2012), с. 103-133. Full text of the chapter (Chapter 3), online free: https://www.researchgate.net/publication/301683889; Chapter 3: DOI: 10.13140/RG.2.1.1847.8487; **
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Papers reviewed herein are limited to the biological, chemical and physical effects of natural and anthropogenic disturbances on marine and estuarine plants and animals. Over 300 papers from the worldwide literature (of several thousand) are reviewed with focus on original research reports and reviews published in 2006. The first four sections focus on reviews, field and laboratory measurement activities (concentrations of contaminants, field surveys, toxicity testing and biomarkers). The last ten sections focus further on pollution issues of current interest (vessel and marine coatings, marine debris, oil spills, hazardous algal blooms, wastewater discharges, dredging and disposal, etc.). A special feature is a tabular listing of the body burden of inorganic and organic contaminants in plants and animals. The effects of pollutants at the cellular and sub-cellular level, and on individual species and communities, are included. This review made extensive use of online searching and sorting methods and the citations rely heavily on the information presented in various search engines. As always, readers should only use this as a guide and must consult the original papers before citing them, including doublechecking units. The authors are indebted to Mr. Brian Voss, head of the NOAA Western Regional Center Library. This paper is dedicated to the memory of Dr. Jack W. Anderson, Senior Scientist, Battelle, WA who passed away earlier this year. His last article with Dr. Richard Lee is reviewed. herein.
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Current development of some ideas of V.I. Vernadsky / Sovremennoye razvitiye nekotorykh idey V.I. Vernadskogo / Современное развитие некоторых идей В.И.Вернадского. ** https://www.researchgate.net/publication/269088415_Current_development_of_some_ideas_of_V.I._Vernadsky; This paper is in Russian. Опубликовано в журнале Известия Самарского НЦ РАН. The reference: Остроумов С.А. Современное развитие некоторых идей В.И. Вернадского // Известия Самарского научного центра Российской академии наук. 2013. Т. 15. № 3. С. 17-22. ** The paper was published: The English translation of the reference: Ostroumov S.A. Current development of some ideas of V.I. Vernadsky. - Proceedings of the Samara Scientific Center of the Russian Academy of Sciences. 2013. V. 15. No. 3, p. 17-22. ** Translit of the Russian reference of this paper: Ostroumov S.A. Sovremennoye razvitiye nekotorykh idey V.I. Vernadskogo. - Izvestiya Samarskogo nauchnogo tsentra Rossiyskoy akademii nauk. 2013. T. 15. № 3. S. 17-22. ** The abstract in English: АННОТАЦИЯ НА АНГЛИЙСКОМ ЯЗЫКЕ The contemporary development of some scientific ideas of V.I.Vernadsky. S.A.Ostroumov. M.V.Lomonosov Moscow State University, Faculty of Biology, Laboratory of Physico-Chemistry of Biological Membranes, Moscow 119991, Russia. New experimental results of the author are presented in the paper. In the experiments, some new evidence on immobilization of chemical elements by biogenic materials was obtained. The new data were analyzed and compared with new results reported in scientific literature. As a result, the author revised and updated some concepts of V.I.Vernadsky on the biosphere. Among the new fundamental concepts introduced by the author: an extended concept of the biogenic migration of chemical elements, and a new typology of the main types of matter in the biosphere. Keywords: biosphere, pollution, immobilization, chemical elements, biogenic material, Myriophyllum aquaticum, water environment, nanoparticles, ** СОВРЕМЕННОЕ РАЗВИТИЕ НЕКОТОРЫХ ИДЕЙ В.И. ВЕРНАДСКОГО © 2013 С.А. Остроумов, Московский государственный университет имени М.В. Ломоносова, биологический факультет; АННОТАЦИЯ: В статье представлены новые экспериментальные результаты автора по изучению взаимодействия ряда химических элементов с биогенным материалом из водных макрофитов. В экспериментах были получены новые данные по иммобилизации химических элементов биогенным материалом, полученным из водных макрофитов. Новые данные были проанализированы с учетом новых результатов в научной литературе. В результате, автор прокомментировал и дополнил некоторые концепции В. И. Вернадского в области учения о биосфере. Среди новых фундаментальных понятий, введенных автором: расширенная концепция биогенной миграции и иммобилизации химических элементов, а также новая типология основных видов вещества в биосфере. КЛЮЧЕВЫЕ СЛОВА: биосфера, загрязнение, иммобилизация, химические элементы, биогенный материал, Myriophyllum aquaticum, водная среда, наночастицы. НАЧАЛО ТЕКСТА СТАТЬИ: ВВЕДЕНИЕ. Исследования В.И. Вернадского [1] положили начало новому этапу в исследованиях биогеохимии и геохимической среды [2-29]. Значительное внимание уделялось накоплению новых фактов о содержании химических элементов в компонентах биосферы, о роли живых организмов в формировании параметров окружающей среды, о химико-биотических взаимодействиях [3-31]. В последние годы все большее значение приобретает также накопление новых данных о токсичности тех или иных химических элементов и их соединений, что стало актуальным ввиду нарастания опасностей загрязнения окружающей среды (на-пример, [5, 30, 32]). В.И. Вернадский в своих работах поднял ряд принципиально важных вопросов об организации биосферы и геохимической среды и выдвинул идеи, надолго определившие направления научного поиска. Среди таких вопросов следующие: 1) типология вещества в биосфере; 2) роль живого вещества в модификации окружающей среды; 3) биогенная миграция элементов [1]. Работами многих исследователей установлено, что биогенная миграция элементов [1-4] играет большую роль в формировании геохимической среды и элементного состава компонентов экосистем. Изучалась роль различных компонентов экосистем в миграции элементов, исследовался элементный состав биотических и абиотических компонентов окружающей среды [4, 5, 7-13]. Накоплены внушительные сведения о токсичности ряда химических элементов [4, 5, 10, 15]. Изучение количественных характеристик процессов и явлений, связанных с миграцией элементов, ... Об авторе: Остроумов Сергей Андреевич, доктор биологических наук, МГУ. Conclusions of the paper and the list of references, in the language of the original Russian publication: Новые факты о химико-биотических взаимодействиях в биосфере суммированы в таблицах 1-5 в публикации [9] и таблице 1 в данной работе. Новые элементы теоретических положений суммированы в таблице 6 в публикации [9] и в выводах публикаций [7-10]. Проведенная автором экспериментальная работа и анализ фактов позволяют сделать следующие комментарии о развитии следующих положений Вернадского. 1. Положение В.И.Вернадского о роли живого вещества как геологической силы, влияющей на лик Земли. Анализируя современное развитие этой концепции, можно отметить следующее: это положение детализировано, подтверждено и усилено на новом эмпирическом материале, в том числе фактами о водных экосистемах и организмах, полученных автором и систематизированных в теории самоочищения воды [6, 20, 21, 23, 24, 35-38]. В частности, это положение усилено новыми фактами в области водной экологии и их обобщением в теории полифункциональной роли организмов в самоочищении воды [6, 20, 21, 23, 24, 35-38] 2. Концепция В.И.Вернадского – биогенная миграция элементов. Предложенный анализ с учетом экспериментов автора и данных литературы ведет к дополнению этой концепции. Вывод из проведенной работы: автор прогнозирует, что будет становиться распространенной следующая формулировка: биогенная миграция и иммобилизация элементов (подробнее в разделе 4 данной работы). 3. Концепция В.И.Вернадского – типология вещества в биосфере, которую Вернадский излагал в нескольких вариантах, не совпадающих друг с другом. Предложенный анализ с учетом опытов автора (и участников наших опытов и измерений): прогнозирует, что проведенная работа и продолжающиеся исследования ведут к дополнению последнего варианта типологии, принятой в последних итоговых публикациях Вернадского (подробнее в разделе 4 работы [9]). Автор прогнозирует, что будет распространяться новая типология вещества, в соответствии с которой выделяется живое вещество, косное вещество и третий тип вещества (экс-живое вещество или бывшее живое вещество) [7-10]. 4. Концепция В.И.Вернадского – аппарат биосферы. Вопросы регуляции аппарата В.И.Вернадским не были рассмотрены. Автор предлагает учитывать роль природных химических веществ, продуцируемых организмами, как экологических хеморегуляторов. Концепция экологических хеморегуляторов предложена и обоснована им в книге «Введение в биохимическую экологию» (М.: Изд-во Московского ун-та) [44]. 5. 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attention of Internet users: Increase in attention: At this moment 67 downloads, 837 views. Recently it was only 47 downloads, 695 views by 25.03.2015; 31 downloads. 468 views on Jan 15, 2015 (264 views on Jan 2); bookmarked; These publications were mentioned at web-sites, web-pages associated with top world universities. Online: https://www.researchgate.net/publication/267636325 ; 103 full texts. Researchgate. Ecology, environment, water, environmental, safety, protection, ecotoxicology, bioassay, water quality and self-purification, aquatic, toxicology, surfactants, detergents, filter-feeders, online, free, гидробиология; in peer-reviewed journals with Impact Factor up to 38.60; 02.11.2014. 34 pages. DOI: 10.13140/2.1.1244.2563; The list of the 103 titles and links to full texts online free: https://www.researchgate.net/publication/267636325_; https://www.researchgate.net/publication/267636325_103_full_texts_at_Researchgate._Environment_ecology_biology; http://5bio5.blogspot.com/2014/10/103-full-texts-ecology-environment.html; in English, in Russian, publications, articles, papers, books; 200 keywords: 206 tags, keywords (in English, French, German, Chinese) associated with research results of Dr. Sergei Ostroumov, environmental scientist at Moscow University. Source of the data:the National Library of Australia, and ResearchGate. http://5bio5.blogspot.com/2016/04/206-tags-keywords-in-english-french.html; Lists of publications:What are lists? 103 full texts at Researchgate. Environment, ecology, biology: https://www.researchgate.net/publication/267636325; Anthropogenic (man-made) effects (ar55) Ecotoxicology (ar55) Filter-feeders and Suspension feeders (ar55) Key publications on Environmental Sciences (ar55) New great ideas, new facts: ecology, environmental science (ar55) New methods for bioassaying (ar55) Plant Biology (ar55) Publications useful in Environmental Education (ar55) water quality (ar55) water self-purification (ar55) The list of tags at the national library in Auatralia. http://trove.nla.gov.au/work/15812036?selectedversion=NBD28418684#tags; ** algae Algen Algues allongement anionic surfactants Anneliden annelids aquatic aquatique Aquatische Atlantic Ocean Atlantik Austern bacteria bactéries Bakterien bioassay bioessai biological tests biologie végétale biologische Tests biotest bivalves Black Sea Blutegel Buchweizen buckweat cationic surfactants chimie de l'environnement clearance rate contaminants Crassostrea gigas croissance cyanobacteria cyanobactéries Cyanobakterien d'eau douce détergents à lessive Die Entfernung dispersants dodécylsulfate de sodium eau de mer écologie ecology écotoxicologie ecotoxicology éducation à l'environnement effets sublétaux elongation Enlèvement environmental chemistry environmental education environmental protection environmental toxicology Fagopyrum esculentum Filter filter-feeders filtering activity Filterung Aktivität filtrage d'activité filtration de l'eau filtreurs Filtrierer Formen freshwater Gefährdungsbeurteilung germination growth hazard assessment higher plants Hirudo medicinalis höheren Pflanzen Huîtres Hydrobiologie hydrobiology inhibition Körner l'évaluation des dangers la durabilité laundry detergents leeches lepidium sativum M V Lomonosov Moscow State University M V Université Lomonosov de Moscou Meerwasser mer Noire Moscow State University Moules Muscheln mussels Mytilus edulis Mytilus galloprovincialis Nachhaltigkeit Natriumdodecylsulfat neue Methoden neue Prioritäten new methods new priorities non-ionic surfactants nouvelles methods nouvelles priorités océan Atlantique Ökologie Ökotoxikologie organismes d'essai Oryza sativa oysters pesticides Pflanzen Pflanzenbiologie phytoplankton plant biology plantes plantes supérieures plants Plymouth Marine Laboratory Polluants pollutants protection de l'environnement qualité de l'eau removal rice Riz Sämlinge sangsues Schadstoffe Schwarzes Meer SDS sea water seedlings seeds Sinapis alba sodium dodecyl sulphate subletalen Auswirkungen sublethal effects suspension feeders suspensivores sustainability taux de clairance test test organisms testing Testorganismen tests biologiques toxicité toxicity toxicologie de l'environnement Toxizität Triton X-100 Umweltbildung Umweltchemie Umweltschutz Umwelttoxikologie Unio Verlängerung Wachstum Wasser Wasserfiltration Wassergüte water filtration water quality xenobiotics Xenobiotika xénobiotiques 中国科学院水生生物 洗涤剂; 亚致死效应; 伸长; 危险性评估; 双壳类; 可持续发展; 地中海贻贝; 外来物质; 大西洋; 拆除 水稻 海水 苗 谷物 白芥 十二烷基硫酸钠; 新的方法 新的优先事项; 暂停馈线; 模具 贻贝; 毒性; 水; 水稻; 水蛭 独行菜豌豆 M V国立莫斯科罗蒙诺索夫大学; 水质; 水过滤; 污染物; 测试; 测试的有机体; 淡水 增长; 牡蛎 浮游植物 植物生物学 植物 普利茅斯海洋实验室; 环境保护; 环境化学; 环境教育; 环境毒理学; 生态; 生态毒理学; 生物测定; 生物测试; 细菌; 节肢动物; 荞麦; 莫斯科国立大学; 藻类; 过滤器; 过滤活动 通关速度 蓝藻 高等植物中 水蛭medicinalis 黑海 **
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Filtration rate capacities in undisturbed freshwater bivalves were determined by means of two different methods (indirect clearance and suction methods) in Anodonta anatina (L.), Unio tumidus Philipsson, Unio pictorum (L.), Unio crassus Philipsson, Dreissena polymorpha (Pallas) and Sphaerium corneum (L.). In A. anatina, D. polymorpha, and S. corneum the filtration rate (FR, 1 h-1) at 19–20C as a function of dry tissue weight (DW, g) or ash-free dry weight (AFDW, g) could be expressed by the equations: 1.10 DW0.78, 6.82 DW0.88, and 2.14 AFDW0.92, respectively. In U. tumidus, U. pictorum, and U. crassus filtration rates were comparable with those of A. anatina. In D. polymorpha the b value of the corresponding regression of gill area on dry weight was 0.87. The rates of water transport in freshwater bivalves are 2–8 times lower than in marine bivalves of comparable size. A corresponding difference in the filtration rate per gill area unit is found. The measured filtration rates in undisturbed bivalves are substantially higher (at least 4 times) than previously reported. This indicates that the impact of bivalve water processing on freshwater ecosystems is greater than hitherto suggested.
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Biological sensors are becoming more important to monitor the quality of the aquatic environment. In this paper the valve movement response of freshwater (Dreissena polymorpha) and marine (Mytilus edulis) mussels is presented as a tool in monitoring studies. Examples of various methods for data storage and data treatment are presented, elucidating easier operation and lower detection limits. Several applications are mentioned, including an early warning system based on this valve movement response of mussels.
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Marine ecology : progress series, vol. 38, nr. 3, 201-212
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https://www.researchgate.net/publication/292634074; Abstract Ostroumov, S. A., Donkin P., Staff F. (1998) Filtration inhibition induced by two classes of synthetic surfactants in the bivalve mollusc. Doklady Akademii Nauk, 362: pp. 574-576. [in Russian]. This paper was also published in English: Filtration inhibition induced by two classes of synthetic surfactants in the bivalve mollusk Mytilus edulis // Doklady Biological Sciences, 1998. Vol. 362, P. 454-456. Bibliogr. 15. ISSN 0012-4966. Distributed by Springer, orderdept@springer-sbm.com [bioeffects of SDS 0.5-4 mg/L during 30-60 min, and Triton X-100 4 mg/L during 60 and 120 min on M. edulis. Sodium dodecyl sulphate (SDS) 1, 2, and 4 mg/L after 30-90 min inhibited the filtration rate and removal of the cells of Isochrysis galbana from water. Triton X-100 4 mg/L also inhibited the filtration rate and removal of the cells of Isochrysis galbana during 60-120-min incubation]. [In collaboration: S.A.O., Donkin P., Staff F.]. Joint British-Russian research project, Plymouth Marine Laboratory, U.K., Moscow University, Russia, marine mussels, Topics Ecotoxicology selected. Mytilus edulis × Bivalves × marine mussels × joint British-Russian research project × Plymouth Marine Laboratory × Moscow University × Russia × U.K. × plankton removal × non-ionic surfactant Triton X-100 × anionic surfactant × Sodium Dodecyl Sulfate × Ecotoxicology ×
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See: Effect of amphiphilic chemicals on filter-feeding marine organisms. https://www.researchgate.net/publication/10614314 ; Doklady Biological Sciences. 2001. 378:248-250. DOI: 10.1023/A:1019270825775 ; [discovery of toxic effects of laundry detergents, dish washing liquids on marine bivalves, namely, oysters].
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See the related paper: Imbalance of Factors Providing Control of Unicellular Plankton Populations Exposed to Anthropogenic Impact. https://www.researchgate.net/publication/10614342 ; July 2001Doklady Biological Sciences 379(1-6):341-343; DOI: 10.1023/a:1011600213221;
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https://www.researchgate.net/publication/292631998; https://www.researchgate.net/publication/266265057 ; Синэкологические основы решения проблемы эвтрофирования // Доклады академии наук (ДАН). 2001. Т.381 №5. C.709-712. 3 табл. Библ.15 назв. [Представлено академиком М.Е. Виноградовым.] Предложен новый подход к борьбе с эвтрофированием. Наряду с концепуально-теоретическими инновациями, изложены новые факты, полученные в экспериментах. Среди полученных новых фактов: жидкий детергент Fairy 2 мг/л снижал фильтрацию воды мидиями Mytilus. galloprovincialis сразу после добавления (инкубация 2 - 23 мин, 22.5ºС)]. [=Synecological basis for the solution of the problem of eutrophication. DAN. 2001. Vol. 381. No. 5. P. 709-712]. [a new approach to prevent eutrophication]. http://www.scribd.com/doc/57458085/; Перевод на англ. яз.: The Synecological Approach to the Problem of Eutrophication. - Doklady Biological Sciences, Vol. 381, 2001, p. 559–562. 3 Tables. Bibliogr. 15 refs. (Translated from Doklady Akademii Nauk, 2001, Vol. 381, No. 5, pp. 709–712). ISSN 0012-4966. www.springerlink.com/index/h7p6616572p476l1.pdf; Distributed by Springer, orderdept@springer-sbm.com. [Abstract: the author suggests a new component of the measures against eutrophication: reducing the input of the pollutants that weaken the potential of the filter-feeders for removing algae from water. A new approach to combat eutrophication. Among new facts: the liquid detergent Fairy 2 mg/L inhibited filtration by bivalve filter-feeders mussels Mytilus galloprovincialis within 2-23 min after addition]. DOI 10.1023/A:1013378505630. http://scipeople.ru/users/2943391/; http://scipeople.com/uploads/materials/4389/Danbio6_2001v381n5.E.eutrophication.pdf; http://www.citeulike.org/user/ATP/article/6113591; http://www.scribd.com/doc/50524170/; http://www.scribd.com/doc/49065550/; PMID: 12918433 [PubMed - indexed for MEDLINE] ПРИМЕРЫ ЦИТИРОВАНИЯ этой статьи: Эту статью ЦИТИРОВАЛИ в диссертации: ХУАН ЖАНЬ-ЖАНЬ. ГЕОЭКОЛОГИЧЕСКАЯ ОЦЕНКА ТРОФИЧЕСКОГО СТАТУСА ПРЕСНОВОДНЫХ ОЗЕР КИТАЯ. Специальность 25.00.36 – Геоэкология (науки о Земле); ДИССЕРТАЦИЯ на соискание ученой степени кандидата географических наук; Научный руководитель: доктор химических наук, профессор Фрумин Г.Т.; Санкт-Петербург, 2013. РОССИЙСКИЙ ГОСУДАРСТВЕННЫЙ ГИДРОМЕТЕОРОЛОГИЧЕСКИЙ УНИВЕРСИТЕТ. 149 стр. http://5bio5.blogspot.com/2014/10/250036-2013.html ; http://www.rshu.ru/university/dissertations/files/148/%D0%A5%D1%83%D0%B0%D0%BD(%D0%B4%D0%B8%D1%81%D1%81%D0%B5%D1%80%D1%82%D0%B0%D1%86%D0%B8%D1%8F).pdf; ** цитировали в статьях: (2003). О функциях живого вещества в биосфере. Вестник Российской академии наук, 73(3), 232-238. Г.С. РОЗЕНБЕРГ, and С.В. САКСОНОВ. "СЕРГЕЙ АНДРЕЕВИЧ ОСТРОУМОВ (К 60-ЛЕТИЮ СО ДНЯ РОЖДЕНИЯ)." Самарская Лука: проблемы региональной и глобальной экологии 19, no. 2 (2010). 189-195. ЭКОЛОГИЧЕСКАЯ ТЕОРИЯ ПОЛИФУНКЦИОНАЛЬНОЙ РОЛИ ГИДРОБИОНТОВ В САМООЧИЩЕНИЕ СТОЧНЫХ ВОД. Субботина Ю.М., Смирнова И.Р., Дорошин Р.Е., Кутковский К.А. В сборнике: Теоретические и прикладные вопросы науки и образования сборник научных трудов по материалам Международной научно-практической конференции: в 16 частях. 2015. С. 111-118. КАЧЕСТВО ВОДЫ В СТОКЕ УЧИНСКОГО ВОДОХРАНИЛИЩА В ПЕРИОД ВЕСЕННЕГО «ЦВЕТЕНИЯ» ДИАТОМОВЫХ ВОДОРОСЛЕЙ. Ворожун И.М. Водное хозяйство России: проблемы, технологии, управление. 2010. № 1. С. 29-40. ОПРЕДЕЛЕНИЕ ПРИОРИТЕТНЫХ ДЕЙСТВИЙ ПО СНИЖЕНИЮ ЭВТРОФИКАЦИИ КРУПНЕЙШЕГО ТРАНСГРАНИЧНОГО ВОДОЕМА ЕВРОПЫ ЧУДСКО-ПСКОВСКОГО ОЗЕРА Тарбаева В.М., Лупачев О.Ю., Минасян А.А. Водное хозяйство России: проблемы, технологии, управление. 2010. № 2. С. 68-75. ФОРМИРОВАНИЕ КАЧЕСТВА ВОДЫ ВОЛЖСКИХ ВОДОХРАНИЛИЩ ПРИ АНОМАЛЬНЫХ ПОГОДНЫХ УСЛОВИЯХ. Селезнёва А.В., Беспалова К.В., Селезнёв В.А. Водное хозяйство России: проблемы, технологии, управление. 2013. № 5. С. 4-14. ЭВТРОФИРОВАНИЕ ВОДОЕМОВ - ГЛОБАЛЬНАЯ ЭКОЛОГИЧЕСКАЯ ПРОБЛЕМА. Фрумин Г.Т., Гильдеева И.М. Экологическая химия. 2013. Т. 22. № 4. С. 191-197. EUTROPHICATION OF WATER BODIES - A GLOBAL ENVIRONMENTAL PROBLEM. Frumin G.T., Gildeeva I.M. Russian Journal of General Chemistry. 2014. Т. 84. № 13. С. 2483-2488. МАССОВОЕ РАЗВИТИЕ ВОДОРОСЛЕЙ НА ВОДОХРАНИЛИЩАХ Р. ВОЛГИ В УСЛОВИЯХ МАЛОВОДЬЯ. Селезнёва А.В., Селезнёв В.А., Беспалова К.В. Поволжский экологический журнал. 2014. № 1. С. 88-96. **
Article
Introduction Historical/Geological Setting Ecosystems Historical Ecology of Bivalves Physical Environmental Interactions Temperature Salinity Temperature-Salinity and Other Factor Combinations Acidification Water Flow Tides Sediments Organismic Scale Processes Feeding Suspension-Feeding Larviphagy Deposit Feeding Shipworms Symbiotic Nutrition Chemoautotrophic Symbioses Population Processes Life Cycle Statistical Measures of Populations Density Reproduction Population Growth Bivalves As Open Or Metapopulations Life and Fecundity Tables Mortality Abiotic Mortality Predation Competition-Induced Mortality Aggregated Distributions Zonation Diseases and Parasites Population Energy Budgets Ecosystem Grazing Introduction Grazing Theory as Applied to Bivalves Conceptualizing Grazing Methods Used to Estimate System Grazing Upstream-Downstream Observations Laboratory Flumes Ecosystem Comparisons Ecosystem Metabolism and Nutrient Cycling Nutrient Cycling Theoretical Background Conclusions The Case of the Missing Nitrogen Ecosystem Experiments Models Model Formulation Model Analysis Ecosystem Field Experiments Case Study Ecosystem Health, Restoration, and Services Bivalve Responses Systems Measures Ecosystem Services Biodiversity A Case Study: The Wadden Sea and the Invasion of Crassostrea gigas Index
Article
Benthic organisms from marine and freshwater environment were studied in order to assess the acute, and subacute or chronic effect of LAS in water or absorbed to sediment. The animals selected were cosmopolitan and their biology was well known. LAS dissolved in water displayed acute effects at concentrations ranging from 0.25 to 200 mg Kg -1 depending on the organisms. Copepods and the embryos of the sea urchin Paracentrotus lividus were the most sensitive organisms. LAS dissolved in water lead also to chronic effects, like the reduction in the growth rate of the marine mussel, Mytilus galloprovincialis. LAS sorbed on sediments did not display similar effects. In fact the experiments carried out with LAS sorbed on sediments did not result in alterations in the treated organisms, in spite of the fact that the actual LAS concentration was from 3 to 10 times higher than the LC 50 96 h values observed with LAS in water.
Chapter
Council directive 76/464/EEC of the European Communities (EEC 1976a) is concerned with pollution by certain dangerous substances being discharged into the aquatic environment from point sources, either direct or indirect, e.g., via sewage works. Originally, it did not intend to deal with diffuse sources of pollution, such as contamination of surface waters arising from run-off agricultural land, rain, dry deposition, etc. However, such sources may be taken into account as background information, and they may also be included by member states when using the quality objectives approach.
Book
Алимов А.Ф. Функциональная экология пресноводных двустворчатых моллюсков. Л.: Наука, 1981. 248 с.
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Dame R. F., Ecology of Marine Bivalves. An Ecosystem Spproach.
Article
Ostroumov, S. A., Donkin P., Staff F. (1998) Filtration inhibition induced by two classes of synthetic surfactants in the bivalve mollusc. Doklady Akademii Nauk, 362: pp. 574-576. [in Russian]. This paper was also published in English: Filtration inhibition induced by two classes of synthetic surfactants in the bivalve mollusk Mytilus edulis // Doklady Biological Sciences, 1998. Vol. 362, P. 454-456. Bibliogr. 15. ISSN 0012-4966. Distributed by Springer, orderdept@springer-sbm.com [bioeffects of SDS 0.5-4 mg/L during 30-60 min, and Triton X-100 4 mg/L during 60 and 120 min on M. edulis. Sodium dodecyl sulphate (SDS) 1, 2, and 4 mg/L after 30-90 min inhibited the filtration rate and removal of the cells of Isochrysis galbana from water. Triton X-100 4 mg/L also inhibited the filtration rate and removal of the cells of Isochrysis galbana during 60-120-min incubation]. [In collaboration: S.A.O., Donkin P., Staff F.]. Joint British-Russian research project, Plymouth Marine Laboratory, U.K.
Article
The benthic suspension feeders Cerastoderma edule and Mytilus edulis form the major part of the biomass of all ecogroups in the Oosterschelde. Mean biomass on mussel culture plots in the western part was 340 g ADW/m2 and on cockle banks 63 g ADW/m2. Because of filtration a seston flux towards the bottom exists of 170-600 g suspended particulate matter/m2/day on an annual average basis. Of this biodeposited material the greater part is resuspended immediately. Because 20-25 % of the total volume is filtered per day, limitation of algal biomass is expected. Density and growth show a decrease from west to east, not fully corresponding with food quantity and quality. Some model calculations of seston depletion in relation to current speed, water depth and length of mussel and cockle banks are presented, with reference to future reduction of current velocities because of the construction of a storm-surge barrier.
Article
Ostroumov, S. A., Donkin P., Staff F. (1997) Effects of surfactants on mussels Mytilus edulis. Bulletin of Moscow University. Series Biology. Issue 3, pp. 30-36. English edition of this journal: Moscow University Biological Sciences Bulletin. https://www.researchgate.net/publication/259500391_Effects_of_surfactants_on_mussels_Mytilus_edulis;
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Ostroumov, S. A., Dodson S., Hamilton D., Peterson S., Wetzel R. G. (2000) Medium-term and long-term priorities in ecological studies for the 21st century. Ecological Studies, Hazards, Solutions, 3: pp. 25-27; https://www.researchgate.net/publication/259497469;
Article
Ostroumov, S. A. (2001) Effects of amphiphilic chemicals on marine organisms filter-feeders. Doklady Akademii Nauk, 378: pp. 283-285. For the first time, the marine bivalve mollusks, the oysters Crassostrea gigas were used as the test-organisms in bioassay of some amphiphilic chemicals, namely, synthetic surfactants and detergents. This is the first paper to discover and report negative effects of synthetic surfactants and chemical mixtures (detergents) on water filtering activity of Crassostrea gigas. As a result, under the effect of the surfactants and detergents the removal of suspended particles from water by the oysters decreased. The amphiphilic chemicals (synthetic surfactants and detergents) are a new type of chemical pollutants that pollute the aquatic environment including oceans, seas and estuaries. The new data discovered a novel type of anthropogenic hazard to aquaculture of shellfish (aqua-farming, mariculture of oysters). For the first time, oysters were used as the test-organisms in bioassay of synthetic surfactants. As surfactants are one of key components of water pollution from municipal waste waters, from ports and ships, the new data revealed a novel type of hazard to mariculture of oysters. New negative effects of several amphiphilic chemicals (surfactants) and chemical mixtures on oysters and other marine bivalves were discovered. An anionic surfactant, sodium dodecylsulphate (SDS), and a cationic surfactant, tetradecyltrimethylammonium bromide (TDTMA) inhibited water filtering activity of oysters (Crassostrea gigas). Similar effects were exhibited by some chemical mixture products (detergents) that included surfactants as components of the mixtures. Those mixture products inhibited filtering activity by Crassostrea gigas and Mytilus galloprovincialis. The mixture products tested were: the SD1(L), Lanza-automat (Benckiser); SD2(I), IXI Bio-Plus (Cussons); LD1 (E), dish washing liquid E (Cussons International, Ltd.); and LD2 (F), dish washing liquid Fairy (Procter & Gamble, Ltd.). The new results are in agreement with the author’s previous experiments, where a number of xenobiotics and/or pollutants inhibited the filtering activity of several species of marine and freshwater bivalves. The filtering activity contributes to improving water quality. This experimental approach is helpful in assessment of environmental hazard from man-made chemicals that contaminate marine ecosystems.
Article
Ostroumov, S. A. (2002) New type of action of potentially hazardous chemicals: uncouplers of pelagial-benthal coupling. Doklady Akademii Nauk, 383: pp. 138-141. https://www.researchgate.net/publication/259497392; New type of action of potentially hazardous chemicals: uncouplers of pelagial-benthal coupling (Novyi tip deistviya potentzialno opasnykh veshchestv: razobshchiteli pelagialno-bentalnogo sopryazheniya). — DAN. 2002. v. 383. No.1. , p. 138-141. [The effects of a the xenobiotic (potassium bichromate K2Cr2O7) on the removal of suspended matter from water by the mussels Mytilus galloprovincialis was studied. It was shown that the chemical inhibited the removal of suspended matter from water during water filtering by mussels. It was concluded that the chemical inhibited water filtration rate by the mussels. The results are in accord with previous findings on effects of other xenobiotics and pollutants on filtration rate by bivalves. The similar inhibition by xenobiotics and pollutants was shown by the author for both marine (Ostroumov, DAN, 2001, vol. 378, No. 2., p. 283-285) and freshwater (Ostroumov, DAN, 2001, vol. 380, No. 5., p. 714-717) molluscs. The results demonstrate a new type of ecological hazard from water pollution when the polluting chemicals may uncouple the link between from the pelagial part of the ecosystem and its benthal part, i.e. pelagial-benthal coupling]. In Russ.
Article
This paper is on the short prestigious, honorable list 'Top papers, books on aquatic ecology, ecotoxicology' at the largest global catalog, WorldCatalog [source: http://5bio5.blogspot.com/2014/09/the-series-of-publications-on-list-of.html]. Doklady Biological Sciences, Vol. 382, 2002, pp. 18–21. Translated from the Russian edition, Doklady Akademii Nauk [Rossiĭskaia akademii nauk], Vol. 382, No. 1, 2002, pp. 138–141. Ostroumov, S. A. (2002) Biodiversity protection and water quality: the role of feedbacks in ecosystems. Doklady Akademii Nauk [Доклады академии наук ], 382: pp. 138-141. (in Russian). Название статьи на русском языке: Сохранение биоразнообразия и качество воды: роль обратных связей в экосистемах. Доклады академии наук, 2002, том 382, стр. 138-141. English version / edition: DOI 10.1023/A:1014465220673; https://www.researchgate.net/publication/11371556_Biodiversity_protection; This article was translated into English and published in the peer-reviewed English journal titled 'Doklady Biological Sciences' (the English version is uploaded here). A review of this English edition was published. The review (favorable) of this article was published at World Catalog; the review rated this article as excellent: https://www.worldcat.org/oclc/94201659 ; http://5bio5.blogspot.com/2014/06/paper-rated-as-excellent-biodiversity.html ; Relevant links: www.ncbi.nlm.nih.gov/pubmed/11998748; link.springer.com/article/10.1023%2FA%3A1014465220673; The text of the review in other languages: French: http://5bio5.blogspot.com/2014/06/in-french-review-of-ecology.html ; Spanish: http://5bio5.blogspot.com/2014/06/spanish-review-ecology-paper-comentario.html ; Chinese: http://5bio5.blogspot.com/2014/06/in-chinese-review-of-ecology-paper.html ; Japanese: http://5bio5.blogspot.com/2014/06/in-japanese-review-of-paper.html ; Korean : http://5bio5.blogspot.com/2014/06/in-korean-review-paper.html ; ** The article presents a new fundamental concept of how biodiversity helps towards a better environmental stability and water quality. The author made an innovative analysis of his experimental data and formulated the following fundamental principle: to maintain water quality, it is vital to protect the functionally active biodiversity of water ecosystems. In other words, according to the author’s new concept, the protection of functionally active biodiversity, including filter-feeders, is a key to maintenance of water quality. This concept was supported by many facts obtained in experiments of the author and reported in his previous publications. This article presents new facts in support of his concepts. Among new facts obtained and reported in the paper: a chemical pollutant (exemplified by the synthetic detergent IXI, at a sublethal concentration 20 mg/L) inhibited water filtration by the aquatic bivalve mollusks, marine mussels Mytilus galloprovincialis (3-25 min, 18 pro mille, 22.8ºC). Another synthetic detergent (exemplified by the laundry detergent Deni-Automat), at a sublethal concentration 30 mg/L, also inhibited the water filtration by the marine bivalves oysters Crassostrea gigas (2-40 min, 25.2ºC).]. These new data as well as the other related data obtained by the same author and reported in his other publications, supported the author’s fundamental concept.
Article
Ostroumov, S. A. (2001) Amphiphilic chemical inhibits the␣ability of molluscs to filter water and to remove the cells of phytoplankton. Izvestia RAN. Series Biology, issue 1, pp. 108-116. https://www.researchgate.net/publication/259497365
Article
Temporal variability in biodeposit production by Choromytilus chorus (Molina) and Mytilus chilensis (Hupe) was studied from February 1989 to January 1990 in the Queule River Estuary, southern Chile. Biodeposits were collected monthly from PVC cylinders containing C. chorus or M. chilensis and analyzed for total dry weight, inorganic and organic weight and organic carbon and nitrogen content. Water characteristics (temperature, salinity, oxygen, chlorophyll a, seston) were also measured at each sampling period. The highest biodeposition rates were calculated during spring and summer months; from October until January sedimentation and mussel biodeposition rates were similar. During this period the highest temperature and water salinities occurred, as well as one of the 2 chlorophyll a peaks observed during the study. The lowest biodeposition rates occurred during winter months, when temperature and water salinities were lowest and turbidity of the water was at its highest. Mean annual biodeposition rate of C. chorus was 271 g total dry weight (DW) m-2 d-1, with 212 and 59 g DW m-2 d-1 for the inorganic and organic fractions, respectively. Mean annual biodeposition of M. chilensis was 234 g total DW m-2 d-1, with 184 and 49 g DW m-2 d-1 for the inorganic and organic fractions. Mean annual sedimentation rate was 553 g total DW m-2 d-1, with 458 and 95 g DW m-2 d-1 for the inorganic and organic fractions, respectively. Biodeposits of C chorus averaged annually 6.4 % carbon and 0.3% nitrogen, with a C/N ratio of 40.8. Biodeposits of M chilensis averaged 6.0 % carbon and 0.4 % nitrogen, with a C/N ratio of 21.4. Naturally sedimented material averaged annually 5.5 % organic carbon and 0.5% organic nitrogen, with a C/N ratio of 13.6
Article
The effects of selected neurotoxic pesticides on the feeding rate of marine mussels (Mytilus edulis) were determined. Two organochlorine pesticides, lindane and endrin, two acetylcholinesterase-inhibiting compounds, dichlorvos and carbaryl and two pyrethroids, flucythrinate and permethrin, were studied. No evidence was found for any specific neurotoxic effect of the organochlorines and pyrethroids on feeding efficiency. In contrast, dichlorvos and carbaryl inhibited the enzyme acetylcholinesterase in mussel gills and were more toxic to feeding efficiency than could be explained by a narcotic mechanism of toxicity alone. Dichlorvos also caused clear behavioural changes in the mussels. The significance of these observations for the application of mussels to impact assessment in the marine environment is discussed. © 1997 SCI.
Article
[This article was also published as a Chapter in the book: Aquatic biodiversity : a celebratory volume in honour of Henri J. Dumont ]. https://www.researchgate.net/publication/226127394; Effects of several surfactants and chemical mixtures on marine bivalves were studied. An anionic surfactant, sodium dodecylsulphate (SDS), and a cationic surfactant, tetradecyltrimethylammonium bromide (TDTMA), inhibited the filtering activity of oysters (Crassostrea gigas). Similar effects were exhibited by some chemical mixtures that included surfactants. Those mixtures inhibited the filtering activity of Crassostrea gigas and Mytilus galloprovincialis. The new results are in agreement with the author’s previous experiments, where a number of xenobiotics and/or pollutants inhibited the filtering activity of several species of marine and freshwater bivalves, e.g., it had been shown that SDS inhibited filtering activity of Mytilus edulis (e.g., Ostroumov, 2000c, 2001a). This experimental approach is helpful in assessment of environmental hazards from man-made chemicals that can contaminate marine systems. ** This article was also published as a Chapter in the book: Aquatic biodiversity : a celebratory volume in honour of Henri J. Dumont .
Article
A benthic annular flume for both laboratory and in situ deployment on intertidal mudflats is described. The flume provides a means of quantifying material flux (i.e., biodeposition of suspended particulates, sediment resuspension, nutrients, oxygen, and contaminants) across the sediment-water interface in relation to changes in current velocity and benthic community structure and/or population density of key macrofauna species. Flume experiments have investigated the impact of the infaunal bivalveMacoma balthica and the epifaunal bivalveMytilus edulis on seston and sediment flux at the sediment-water interface. The bioturbatorMacoma was found to increase the sediment resuspension and/or erodability by 4-fold, at densities similar to those recorded at the Skeffling mudflat (Humber estuary) (i.e., >1000 individuals m−2). There was a significant correlation between sediment resuspension andMacoma density (r=0.99; p<0.001), which supported previous in situ field observations indicating bioturbation byMacoma enhanced sediment erodability. Biodeposition rates (g m−2 h1) ofMytilus edulis andCerastoderma edule were quantified and related to changes in population density in a mussel bed (Cleethorpes, Humber estuary). Biodeposition rates were up to 40-times the natural sedimentation rates. At the highest mussel bed densities (i.e., 50–100% cover or >1400 mussels m−2) the physical presence of this epifaunal bivalve on the sediment surface reduced erosion by 10-fold. The shift from net biodeposition to net erosion occurred at current velocities of 20–25 cm s−1. These results demonstrate that infaunal and epifaunal bivalves can have a significant impact on seston flux or sediment deposition and on sediment resuspension or erodability in estuaries where there are extensive mudflats.
Article
The effect of hydrophobic organic chemicals on the rate of feeding by mussels (Mytilus edulis) was investigated. The effect was expressed as the toxicant concentration in water required to reduce feeding rate by 50% (WEC50). A quantitative structure-activity relationship (QSAR) was derived in which WEC50 was negatively correlated with log10 octanol-water partition coefficient (log Kow) and positively correlated with aqueous solubility, indicating that hydrophobicity has a major influence on toxicity. QSARs calculated between bioconcentration factor, and log Kow and aqueous solubility showed, that hydrophobicity influences toxicity largely through its effect on bioconcentration. This observation was confirmed by expressing toxicity as the toxicant concentration in mussel tissue required to reduce feeding rate by 50% (TEC50). For the compounds tested which have log Kow values< 4.6, TEC50 was relatively constant, irrespective of molecular structure.Compounds with log Kow values > 5 could be accumulated to much greater concentrations before feeding rate was affected, indicating that there is a ‘molecular weight cut-off’ in the toxicological response.These observations are characteristic of a non-specific narcotic mode of toxic action. The application of the reported QSARs to interpreting results derived from combined chemical contamination and biological effects environmental monitoring studies with mussels is discussed.
Article
Ostroumov S.A. Inhibitory analysis of top-down control: New keys to studying eutrophication, algal blooms, and water self-purification. Hydrobiologia; 2002. 469:117-129; https://www.researchgate.net/publication/200587396 ; This is a well-cited publication. Top-down control is an important type of interspecies interactions in food webs. It is especially important for aquatic ecosystems. Phytoplankton grazers contribute to the top-down control of phytoplankton populations. The paper is focused on the role of benthic filter feeders in the control of plankton populations as a result of water filtering and the removal of cells of plankton from the water column. New data on the inhibitory effects of surfactants and detergents on benthic filter-feeders (Unio tumidus, U. pictorum, Mytilus galloprovincialis, M. edulis and Crassostrea gigas) are presented and discussed. Importance and efficiency of that approach to the problems of eutrophication and water self-purification is pointed out. Chemical pollution may pose a threat to the natural top-down control of phytoplankton and water self-purification process. The latter is considered an important prerequisite for sustainable use of aquatic resources. CITATION. #Citation of this article in #Canada, #China, in 2015. ... #eutrophication, #algal blooms, and water self-purification. ... : http://5bio5.blogspot.com/2015/09/citation-in-canada-china-inhibitory.html ;
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Top 10%: According to rating made on the basis of Altmetrics, this article is among 10 % of top articles: High Attention Score compared to outputs of the same age (90th percentile); (30.06.2017); ** Ostroumov S.A. Polyfunctional role of biodiversity in processes leading to water purification: current conceptualizations and concluding remarks.- Hydrobiologia, 2002, 469: 203-204. DOI: 10.1023/A:1015555022737; https://www.researchgate.net/publication/200582742; In 2015, a new citation of this article was made: Shreadah, M.A., Fattah, L.M.A. and Fahmy, M.A. (2015) Heavy Metals in Some Fish Species and Bivalves from the Mediterranean Coast of Egypt. Journal of Environmental Protection, 6, 1-9. This paper is on the prestigious, honorable list 'Top papers, books on aquatic ecology, ecotoxicology' at the largest global catalog, WorldCatalog. Recently, a new favorable review of this paper was published at WorldCatalog (http://5bio5.blogspot.com/2014/09/33-reviews-these-publications-papers.html). The paper was upvoted, bookmarked, downloaded by more than 30% of those who viewed it (by May 2014). It contains new ideas, conclusions on multi-functional role of organisms in water habitats: https://www.researchgate.net/publication/200582742_Ostroumov_S.A._Polyfunctional_role_of_biodiversity_in_processes_leading_to_water_purification_current_conceptualizations_and_concluding_remarks ; This paper was cited by researchers of leading universities and research institutions, e.g. Uppsala University (Sweden) et al., see, e.g.: http://5bio5.blogspot.com/2013/05/federal-public-service-health-food.html ; ABSTRACT. Ostroumov S.A. Polyfunctional role of biodiversity in processes leading to water purification: current conceptualizations and concluding remarks.- Hydrobiologia, 2002 (February), 469: 203-204. DOI10.1023/A:1015555022737; http://www.springerlink.com/content/hcrfvmdncdm8e3pf/ Key words: water quality, water purification, self-purification, biodiversity, pollutants, ecosystem services, freshwater, marine, aquatic ecosystems, sustainability; Sustainable use of aquatic resources is based on the ability of aquatic ecosystems to maintain a certain level of water quality. Water self-purification in both freshwater and marine ecosystems is based on a number of interconnected processes (e.g., Wetzel, 1983; Spellman, 1996; Ostroumov 1998, 2000). Among them are: (1) physical and physico-chemical processes, including: (1.1) solution and dilution of pollutants; (1.2) export of pollutants to the adjacent land areas; (1.3) export of pollutants to the adjacent water bodies; (1.4) sorption of pollutants onto suspended particles and further sedimentation of the latter; (1.5) sorption of pollutants by sediments; (1.6) evaporation of pollutants; (2) chemical processes, including: (2.1) hydrolysis of pollutants; (2.2) photochemical transformations; (2.3) redox-catalytic transformations; (2.4) transformations including free radicals; (2.5) binding of pollutants by dissolved organic matter, which may lead to decreasing toxicity; (2.6) chemical oxidation of pollutants by oxygen; (3) biological processes, including: (3.1) sorption, uptake and accumulation of pollutants by organisms; (3.2) biotransformations (redox reactions, degradation, conjugation), mineralization of organic matter; (3.3) transformation of pollutants by extracellular enzymes; (3.4) removal of suspended matter and pollutants from the water column in the process of water filtering by filter-feeders; (3.5) removal of pollutants from the water in the process of sorption by pellets excreted by aquatic organisms; (3.6) uptake of nutrients (including P, N, and organic molecules) by organisms; (3.7) biotransformation and sorption of pollutants in soil (and removal of nutrients), important when polluted waters are in contact with terrestrial ecosystems; (3.8) a network of regulatory processes when certain organisms control or influence other organisms involved in water purification. Living organisms are involved in physical, physico-chemical and chemical processes 1.1-1.6 and 2.1-2.6 directly or through excretion of oxygen or organic metabolites, production of suspended matter, affecting turbidity, temperature of water or other parameters of the ecosystem. As a result, living organisms are the core component of the multitude of processes of the ecological machinery working towards improving water quality. This component performs eight vital functions directly (3.1-3.8) and is involved indirectly in some of the other twelve functions (1.1-1.6 and 2.1-2.6) so that its role is clearly polyfunctional. Living organisms of aquatic bodies (both autotrophs and heterotrophs) are enormously diverse in terms of taxonomy. Among them, autotrophs generate oxygen that is involved in the processes 2.6 and 2.4 above. Heterotrophs perform processes 3.1, 3.2, 3.4, 3.5 and some others. Virtually all biodiversity is involved. Given this polyfunctional role of aquatic organisms, in one of our publications we compared aquatic ecosystems to 'large-scale diversified bioreactors with a function of water purification' (Ostroumov, 2000). What is interesting about the biomachinery of water purification is the fact that it is an energy-saving device. It is using the energy of the sun (autotrophs) and the energy of organic matter which is being oxidized in the process of being removed from water by heterotrophs. Some interesting examples of how various organisms are incorporated in that polyfunctional activity were given by authors of the preceding papers in this volume. The importance of aquatic organisms in performing key functions in the hydrosphere provides an additional convincing rationale for protecting biodiversity. The efficiency of the entire complex of those processes leading to water purification in ecosystems is a prerequisite for the sustainable use of aquatic resources. Man-made effects on any of those processes (we have shown effects of surfactants on water filtration by bivalves; some of the experiments were carried out together with Dr. P. Donkin) may impair the efficiency of water self-purification (Ostroumov, 1998; Ostroumov et al., 1998; Ostroumov & Fedorov, 1999; Ostroumov 2001a, 2001b). We postulate and predict that further studies will provide new striking examples of how important biodiversity is in performing many vital ecological processes leading to upgrading water quality. By doing so, the multifunctional participation of biodiversity supports the sustainable use of water as one of key resources for mankind. The body of new data and ideas presented in this volume will hopefully serve towards following interconnected and partially overlapping goals: prioritization of efforts on research and management in the area of aquatic resources and aquatic environment; biodiversity studies and protection; sustainable use of aquatic bioresources; advancement of aquaculture and mariculture; decreasing costs and increasing efficiencies in wastewater treatment using ecosystems; combatting eutrophication; understanding the role of biota in biogeochemical flows of chemical elements and in buffering global change. The statements and conclusions that were made in this paper were supported in a series of other publications of the author, including the book (Biological Effects of Surfactants. CRC Press. Taylor & Francis. Boca Raton, London, New York. 2006. 279 p. ISBN 0-8493-2526-9) and a string of articles. Among them: On the biotic self-purification of aquatic ecosystems: elements of the theory. - Doklady Biological Sciences, 2004, Vol. 396, Numbers 1-6, p. 206-211. (https://www.researchgate.net/file.FileLoader.html?key=60f338228d6f3c5114d223ab81e15d3b), Contemporary Problems of Ecology, 2008, Vol. 1, No. 1, p. 147-152 (DOI 10.1134/S1995425508010177) and others. The paper was cited by a number of international experts, e. g. in the following papers: Hydrobiologia, 2006, 556: 365-379, DOI 10.1007/s10750-004-0189-7; Journal of Applied Phycology, 2005, 17: 557-567, DOI 10.1007/s10811-005-9006-6; Mediterranean Marine Science, 2007, Volume 8 (2), 19-32; Aquatic Ecosystem Health & Management, 2009, Volume 12, Number 2, pp. 215-225, DOI: 10.1080/14634980902908589; Desalination, 2010, Vol. 250, Issue 1, Pages 118-129, DOI:10.1016/j.desal.2008.12.062. References: Ostroumov, S.A., 1998. Biological filtering and ecological machinery for self-purification and bioremediation in aquatic ecosystems: towards a holistic view. Rivista di Biologia / Biology Forum. 91: 247-258. Ostroumov, S.A., 2000. Aquatic ecosystem: a large-scale, diversified bioreactor with the function of water self-purification (Vodnaja ekosistema: krupnorazmernyj diversifitzirovannyj bioreaktor s funktzijej samoochishchenija vody). Doklady Biological Sciences 374: 514-516 (the Russian edition: Dokl. Akad. Nauk 374: 427-429). http://www.ncbi.nlm.nih.gov/pubmed/11103331; http://sites.google.com/site/2000dbs374p514bioreactor/ Ostroumov, S.A., 2001a. Amphiphilic chemical inhibits the ability of molluscs to filter water and to remove the cells of phytoplankton (Amfifil'noe veshchestvo podavljaet sposobnost' molluskov filtrovat' vodu i udalat' iz nee kletki fitoplanktona). Izvestia RAN. Ser. Biology. 1: 108-116. Translated into English: An amphiphilic substance inhibits the mollusk capacity to filter out phytoplankton cells from water. - Biology Bulletin, 2001, Vol. 28, No. 1, p. 95-102. DOI 10.1023/A:1026671024000. PMID: 11236572 [PubMed - indexed for MEDLINE]. Ostroumov, S.A., 2001b. Effects of amphiphilic chemicals on marine organisms filter-feeders (Vozdeistvie amfifil'nykh veshchestv na morskikh gidrobiontov-filtratorov). Dokl. Akad. Nauk . Vol. 378. No. 2: 283-285. Translated into English: Effect of amphiphilic chemicals on filter-feeding marine organisms. - Doklady Biological Sciences. 2001. 378: 248-250. http://sites.google.com/site/2001dbs378p248effammaroyst/; DOI 10.1023/A:1019270825775. Ostroumov, S.A., P. Donkin & F. Staff, 1998. Filtration inhibition induced by two classes of synthetic surfactants in the bivalve mollusc (Narushenije filtratzii dvustvorchatymi molluskami pod vozdejstvijem poverkhnostno-aktivnykh veshchestv dvukh klassov). Dokl. Akad. Nauk 362: 574-576. Translated into English: Filtration inhibition induced by two classes of synthetic surfactants in the bivalve mollusk Mytilus edulis // Doklady Biological Sciences, 1998. Vol. 362, P. 454-456. Ostroumov, S.A. & V.D. Fedorov, 1999. The main components of self-purification of ecosystems and its possible impairment as a result of chemical pollution (Osnovnyje komponenty samoochishchenija ekosistem i vozmozhnost' ego narushenija v rezultate khimicheskogo zagrjaznenija). Bulletin of Moscow University. Ser. 16. Biology (Vestnik Moskovskogo Universiteta. Ser. 16. Biologija) 1: 24-32. Spellman, F.R., 1996. Stream Ecology and Self-purification. Technomic Publishing Co., Lancaster, Basel. 133 pp. Wetzel, R. G., 1983. Limnology. Saunders College Publishing, Fort Worth. 858 pp. ADDENDUM (added when the paper was put at the web site). The main conclusions of the paper were supported in a series of publications. The following publications are among them. 1. Ostroumov S. A. Biological Effects of Surfactants. CRC Press. Taylor & Francis. Boca Raton, London, New York. 2006. 279 p. ISBN 0-8493-2526-9. 2. Ostroumov S. A. The concept of aquatic biota as a labile and vulnerable component of the water self-purification system - Doklady Biological Sciences, Vol. 372, 2000, pp. 286–289. http://sites.google.com/site/2000dbs372p286biotalabil/; 3. Ostroumov S. A., Kolesnikov M. P. Biocatalysis of Matter Transfer in a Microcosm Is Inhibited by a Contaminant: Effects of a Surfactant on Limnea stagnalis. - Doklady Biological Sciences, 2000, 373: 397–399. Translated from Doklady Akademii Nauk, 2000, Vol. 373, No. 2, pp. 278–280. http://sites.google.com/site/2000dbs373p397biocatallstag/ 4. Ostroumov S. A. An aquatic ecosystem: a large-scale diversified bioreactor with a water self-purification function. - Doklady Biological Sciences, 2000. Vol. 374, P. 514-516. http://sites.google.com/site/2000dbs374p514bioreactor/ 5. Ostroumov SA. Criteria of ecological hazards due to anthropogenic effects on the biota: searching for a system. - Dokl Biol Sci (Doklady Biological Sciences). 2000; 371:204-206. http://sites.google.com/site/2000dbs371p204criteria/ 6. Ostroumov S. A. An amphiphilic substance inhibits the mollusk capacity to filter out phytoplankton cells from water. - Biology Bulletin, 2001, Volume 28, Number 1, p. 95-102. ISSN 1062-3590 (Print) 1608-3059 (Online); DOI 10.1023/A:1026671024000; http://www.springerlink.com/content/l665628020163255/; 7. Ostroumov S. A. Inhibitory Analysis of Regulatory Interactions in Trophic Webs. -Doklady Biological Sciences, 2001, Vol. 377, pp. 139–141. Translated from Doklady Akademii Nauk, 2000, Vol. 375, No. 6, pp. 847–849. http://sites.google.com/site/2001dbs377p139inhibitory/; 8. Ostroumov SA. The synecological approach to the problem of eutrophication. - Dokl Biol Sci. (Doklady Biological Sciences). 2001; 381:559-562. http://scipeople.com/uploads/materials/4389/Danbio6_2001v381n5.E.eutrophication.pdf 9. Ostroumov SA. The hazard of a two-level synergism of synecological summation of anthropogenic effects. - Dokl Biol Sci. (Doklady Biological Sciences). 2001; 380:499-501. http://sites.google.com/site/2001dbs380p499synerg/ 10. Ostroumov SA. Responses of Unio tumidus to mixed chemical preparations and the hazard of synecological summation of anthropogenic effects. - Dokl Biol Sci (Doklady Biological Sciences). 2001; 380: 492-495. http://sites.google.com/site/2001dbs380p492unio/ 11. Ostroumov SA, Kolesnikov MP. Pellets of some mollusks in the biogeochemical flows of C, N, P, Si, and Al. - Dokl Biol Sci (Doklady Biological Sciences). 2001; 379:378-381. http://sites.google.com/site/2001dbs379p378pellets/ 12. Ostroumov SA. Imbalance of factors providing control of unicellular plankton populations exposed to anthropogenic impact. - Dokl Biol Sci (Doklady Biological Sciences). 2001; 379:341-343. http://sites.google.com/site/1dbs379p341imbalance/; 13. Ostroumov SA. Effect of amphiphilic chemicals on filter-feeding marine organisms.- Dokl Biol Sci (Doklady Biological Sciences). 2001; 378:248-250. http://sites.google.com/site/2001dbs378p248effammaroyst/ 14. Ostroumov SA. Biodiversity protection and quality of water: the role of feedbacks in ecosystems. - Dokl Biol Sci (Doklady Biological Sciences). 2002; 382:18-21; http://sites.google.com/site/2dbs382p18biodivers/; http://www.citeulike.org/pdf/user/ATP/article/6113559/ostroumov_02_biodiversity.pdf; 15. Ostroumov SA. A new type of effect of potentially hazardous substances: uncouplers of pelagial-benthal coupling. - Dokl Biol Sci (Doklady Biological Sciences). 2002; 383:127-130. https://www.researchgate.net/file.FileLoader.html?key=d988acb599e121964c48114374a87e8d; www.springerlink.com/index/28V23JBFADL1Y100.pdf; 16. Ostroumov S. A. Identification of a New Type of Ecological Hazard of Chemicals: Inhibition of Processes of Ecological Remediation. - Doklady Biological Sciences, Vol. 385, 2002 (November), pp. 377–379. [Translated from Doklady Akademii Nauk, Vol. 385, No. 4, 2002, pp. 571–573]. https://www.researchgate.net/file.FileLoader.html?key=8408a7cfaa984764b812ce79c77007f2; 17. Ostroumov SA. System of principles for conservation of the biogeocenotic function and the biodiversity of filter-feeders. - Dokl Biol Sci (Doklady Biological Sciences). 2002; 383:147-150. https://www.researchgate.net/file.FileLoader.html?key=888352078b275ef40a430eb5b4d7714c; 18. Ostroumov S. A., Walz N., Rusche R. Effect of a cationic amphiphilic compound on rotifers. - Doklady Biological Sciences. 2003 (May). Vol. 390. 252-255, [ISSN 0012-4966 (Print) 1608-3105 (Online)]. https://www.researchgate.net/file.FileLoader.html?key=def6575c794b111fcc31275e853c2b15; 19. Ostroumov S.A. Anthropogenic effects on the biota: towards a new system of principles and criteria for analysis of ecological hazards. - Rivista di Biologia/Biology Forum. 2003. 96: 159-170. PMID: 12852181 [PubMed - indexed for MEDLINE] http://sites.google.com/site/ostroumovsergei/publications-1/rivista2003criteria; http://scipeople.com/uploads/materials/4389/3RB96p159Anth..Criteria.doc; www.ncbi.nlm.nih.gov/pubmed/12852181; 20. Ostroumov S. A. On the biotic self-purification of aquatic ecosystems: elements of the theory. - Doklady Biological Sciences, 2004, Vol. 396, Numbers 1-6, p. 206-211. https://www.researchgate.net/file.FileLoader.html?key=60f338228d6f3c5114d223ab81e15d3b; 21. Ostroumov S. A., Widdows J. Inhibition of mussel suspension feeding by surfactants of three classes. // Hydrobiologia. 2006. Vol. 556, No. 1. Pages: 381 – 386. DOI 10.1007/s10750-005-1200-7; http://sites.google.com/site/ostroumovsergei/publications-1/hydrobiologia2006ostwidd; http://sites.google.com/site/3surfactantsfiltrationmytilus/; http://scipeople.ru/uploads/materials/4389/_Hydrobiologia2006%20vol%20556%20No.1%20pages381-386.pdf; http://www.springerlink.com/content/7166067538534421/ 22. Ostroumov S. A. Biotic self-purification of aquatic ecosystems: from the theory to ecotechnologies. - Ecologica, 2007. vol. 15 (50), p.15-23. (ISSN 0354-3285). [http://scindeks.nb.rs/article.aspx?artid=0354-32850750015O]. 23. Ostroumov S.A., Shestakova T.V. Decreasing the measurable concentrations of Cu, Zn, Cd, and Pb in the water of the experimental systems containing Ceratophyllum demersum: The phytoremediation potential // Doklady Biological Sciences 2009, Vol. 428, No. 1, p. 444-447. http://sites.google.com/site/9dbs444/; https://www.researchgate.net/file.FileLoader.html?key=8fd8998627b86102db72c9b237c25054; 24. Ostroumov S.A. Towards the general theory of ecosystem-depended control of water quality. - Ecologica, 2009, vol. 16, No. 54, p. 25-32. http://sites.google.com/site/9enecologica16p25theory/ 25. Ostroumov S. A. Basics of the molecular-ecological mechanism of water quality formation and water self-purification.- Contemporary Problems of Ecology, 2008, Vol. 1, No. 1, p. 147-152. ISSN 1995-4255 (Print) 1995-4263 (Online); DOI 10.1134/S1995425508010177; The paper was cited and its concepts and conclusions were supported in the following publications (examples): Цитировали paper [Polyfunctional role of biodiversity in processes leading to water purification: current conceptualizations and concluding remarks. - Hydrobiologia; (Springer Netherlands),ISSN 0018-8158 (Print) 1573-5117 (Online), Volume 469, Numbers 1-3 / 2002 (February); p. 203-204; DOI 10.1023/A:1015555022737]; Cited by: Water Quality of Effluent-dominated Ecosystems: Ecotoxicological, Hydrological, and Management Considerations. - Hydrobiologia (Springer Netherlands); ISSN 0018-8158 (Print) 1573-5117 (Online); Volume 556, Number 1, 2006 (February); p. 365-379; DOI 10.1007/s10750-004-0189-7; Bryan W. Brooks 1 , Timothy M. Riley 2, and Ritchie D. Taylor 3; (1) Department of Environmental Studies, Center for Reservoir and Aquatic Systems Research, Baylor University, One Bear Place # 97266, Waco, Texas 76798, USA; (2) Barton Springs / Edwards Aquifer Conservation District, 1124 Regal Row, Austin, Texas 78748, USA; (3) Department of Public Health, Centre for Water Resource Studies, Western Kentucky University, 1 Big Red Way, EST 437, Bowling Green, Kentucky 42101, USA; - - - - ---------------------------- Integrated outdoor culture of two estuarine macroalgae as biofilters for dissolved …; I. Hernandez, M.A. Fernández-Engo, J.L. Pérez- … - Journal of Applied …, 2005 - Springer; Ignacio Hernández ∗ , M. Angeles Fernández-Engo, J. Lucas Pérez-Lloréns & Juan J. Vergara; Area de Ecologıa, Universidad de Cádiz, Facultad de Ciencias del Mar y Ambientales, 11510 Puerto Real, Cádiz, Spain; ∗ Author for correspondence: e-mail: ignacio.hernandez@uca.es - - - -------------------- Medit. Mar. Sci., 8/2, 2007, 19-32; Mediterranean Marine Science; Volume 8/2, 2007, 19-32; Identification of the self-purification stretches of the Pinios River, Central Greece; Y. CHATZINIKOLAOU 1, 2 and M. LAZARIDOU 1 1Department of Zoology, School of Biology, Faculty of Sciences, Aristotle University of Thessaloniki, Greece; 2Institute of Inland Waters, Hellenic Centre for Marine Research, 46.7 km Athinon - Souniou Av., 190 13, P.O. Box 712, Anavissos, Hellas; - - - ---------------------------------------- Assessment of ecosystem health of tropical shallow waterbodies in eastern India using turbulence model Authors: N. R. Samal a; A. Mazumdar b; K. D. Joumlhnk c; F. Peeters d Affiliations: a Dept. of Civil Engineering, National Institute of Technology Durgapur, Durgapur, West Bengal, India; b School of Water Resources Engineering, Jadavpur University, Kolkata, West Bengal, India; c Leibniz-Institute of Freshwater Ecology and Inland Fisheries, Neuglobsow, Germany d Limnologisches Institut, University of Konstanz, Konstanz, Germany; DOI: 10.1080/14634980902908589; Published in: Journal Aquatic Ecosystem Health & Management, Volume 12, Issue 2 April 2009 , pages 215 – 225; - - - ------- Intra-basin spatial approach on pollution load estimation in a large Mediterranean … Y. Chatzinikolaou, A. Ioannou, M. Lazaridou - Desalination, 2010; ** The institutions, affiliation of the authors of the paper [Science–policy challenges for biodiversity, public health and urbanization: examples from Belgium. 2013 Environ. Res. Lett.] that cited the article (Ostroumov, 2002): 1. Research Institute for Nature and Forest (INBO), Brussels, Belgium; 2 Belgian Biodiversity Platform, Belgium (www.biodiversity.be/); 3 University of Antwerp, Antwerp, Belgium; 4 Namur Center for Complex Systems, University of Namur, Belgium; 5 Co-Operation On Health And Biodiversity (COHAB), COHAB Initiative Secretariat, Ireland; 6 Universite libre de Bruxelles, Belgium; 7 Federal Public Service Health, Food Chain Safety and Environment, Eurostation II, Brussels, Belgium; 8 Agriculture and Veterinary Intelligence and Analysis (Avia-GIS), Belgium; 9 Uppsala University, Uppsala, Sweden; 10 Agency for Nature and Forest (ANB), Brussels, Belgium; 11 Royal Belgian Institute of Natural Sciences (RBINS), Brussels, Belgium; 12 Research Institute for Agriculture and Fisheries (ILVO), Belgium; 13 Department of Geography, Universite catholique de Louvain, Belgium; 14 DIVERSITAS, c/o Museum National d’Histoire Naturelle, Paris, France; 15 Helmholtz Centre for Environmental Research (UFZ), Leipzig, Germany; 16 Maastricht University, The Netherlands; 17 Division of Agricultural and Food Economics, K U Leuven, Heverlee, Belgium (Katholieke Universiteit Leuven: the oldest catholic university of the world. It's located in Heverlee, near Leuven); 18 Ghent University, Belgium; 19 Czech University of Life Sciences Prague, Czech Republic; 20 Ecology, Evolution and Biodiversity Conservation Section, K U Leuven, Belgium; 21 Military Hospital Queen Astrid, Bruynstraat 1, 1120 Neder-over-Heembeek, Belgium; 22 Institute for Environmental Management and Land-use Planning, Universite libre de Bruxelles, ´Bruxelles, Belgium; --------- Examples of citation of the series of the ecology publications of this author: The publications on environmental science, ecology were mentioned, cited at leading world universities, in publications and on their web sites; selected examples only; http://5bio5.blogspot.com/2014/07/citation-publications-on-environmental.html EVIDENCE OF MERIT: Note from the web (Altmetric) on May 1, 2016: ** In the top 25% of all research outputs scored by Altmetric; Among the highest-scoring outputs from this source (#27 of 1,186); High score compared to outputs of the same age (89th percentile); High score compared to outputs of the same age and source (85th percentile); ** Citation: This paper was cited in: Uranium and thorium determination in water ecosystem components by neutron activation analysis. Published in journal: «Water: chemistry and ecology» № 10 / 2009 , p. 36-40. Ostroumov S.A. , Kolesov G.M. http://5bio5.blogspot.com/2016/09/uranium-and-thorium-determination-in.html; **
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Anthropogenic effects on the biota: Towards a new system of principles and criteria for analysis of ecological hazards. January 2003, Rivista di biologia 96(1):159-170; https://www.researchgate.net/publication/200581960; The currently accepted system of criteria for evaluating environmental and ecological hazards of man-made chemicals (pollutants) is vulnerable to criticism. In this paper, a new concept of the system of approaches towards criteria for evaluating the ecological hazard from man-made impact is proposed. It is suggested to assess the man-made impacts (including effects of pollutants and xenobiotics) on the biota according to the following four levels of disturbance in biological and ecological systems. (1) the level of individual responses, (2) the level of aggregated responses of groups of organisms, (3) the level of stability and integrity of the ecosystem; (4) the level of contributions of the ecosystem to biospheric processes. On the basis of the author experimental studies, an example is given of bow to apply the proposed approach and the system of criteria to the analysis of concrete experimental data. To exemplify the efficiency of the proposed approach, it is shown how to use it to analyze new data on effects of a synthetic surfactant on water filtering, by bivalves. It is concluded that the proposed approach will be helpful in better assessing environmental and ecological hazards from anthropogenic effects on biota, including effects of man-made chemicals polluting ecosystems. A related, relevant article of the same author: Criteria of ecological hazards due to anthropogenic effects on the biota: searching for a system; Doklady Biological Sciences, Vol. 371, P. 204-206. https://www.researchgate.net/publication/215905990 ; https://www.researchgate.net/publication/12483844 ; https://www.researchgate.net/profile/Sergei_Ostroumov/publication/12483844 ;
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https://www.researchgate.net/publication/200567576; https://www.researchgate.net/publication/200567576_On_the_biotic_self-purification_of_aquatic_ecosystems_elements_of_the_theory ** Attention: there is a misprint in this article, the word 'pumps' was printed with a spelling mistake. The readers are advised to understand this. ** Another link to the full text: https://www.researchgate.net/publication/259579685 ; ABSTRACT: Ostroumov S.A. On the biotic self-purification of aquatic ecosystems: elements of the theory. - Doklady Biological Sciences, 2004, Vol. 396, Numbers 1-6, pp. 206-211. https://www.researchgate.net/publication/200567576. Available from: https://www.researchgate.net/publication/200567576_On_the_Biotic_Self-purification_of_Aquatic_Ecosystems_Elements_of_the_Theory_httpswwwresearchgatenetpublication200567576 [accessed Jul 21, 2017]. PMID: 15354827 [PubMed - indexed for MEDLINE]; http://www.ncbi.nlm.nih.gov/pubmed/15354827/ ; This article ranks high among all papers in this peer-reviewed journal (ranking: altmetrics). This paper is on the short prestigious, honorable list 'Top papers, books on aquatic ecology, ecotoxicology' at the largest global catalog, WorldCatalog [source: http://5bio5.blogspot.com/2014/09/the-series-of-publications-on-list-of.html]. This fundamental and innovative article was cited and commented favorably by scientists in many countries.A Diploma (Academy of Water Sciences) – a certificate of high scientific quality - was awarded to the series of publications (on ecology, environmental science) including this article: http://5bio5.blogspot.com/2014/07/award-july-1-2014-to-series-of.html; The paper was bookmarked by members of ResearchGate. On the biotic self-purification of aquatic ecosystems: elements of the theory. - Doklady Biological Sciences, V. 396, 2004, p. 206–211. (Translated from Doklady Akademii Nauk, V.396, No.1, 2004, p.136–141). https://www.researchgate.net/publication/200567576_On_the_biotic_self-purification_of_aquatic_ecosystems_elements_of_the_theory ** Attention: there is a misprint in this article, the word 'pumps' was printed with a spelling mistake. The readers are advised to understand this. ** ABSTRACT: On the biotic self-purification of aquatic ecosystems: elements of the theory. - Doklady Biological Sciences, 2004, Vol. 396, Numbers 1-6, pp. 206-211. This article presents a system of elements of a new theory of biotic maintaining the natural purification potential of aquatic ecosystems. The fundamental elements are formulated for a qualitative theory of the multifunctional (polyfunctional) role of the biota in improving water quality and doing self-purification of water in aquatic ecosystems. The elements of the theory covers the following: the sources of energy for the mechanisms of water self-purification; the main functional blocks of the system of self-purification; the system of the main processes that are involved; the analysis of the degree of participation of the main large taxa; the reliability of the mechanisms of water self-purification; regulation of the processes; the response of the mechanisms of water self-purification towards the external influences (man-made impacts, pollution); and some conclusions relevant to the practice of environment protection. In support of the theory, the results are given of the author's experiments which demonstrated the ability of some pollutants (surfactants, detergents, and some others) to inhibit the water filtration activity of aquatic invertebrate filter-feeders, namely, the bivalve mollusks, including mussels Mytilus galloprovincialis, Mytilus edulis, and oysters Crassostrea gigas. This paper is on the short prestigious, honorable list 'Top papers, books on aquatic ecology, ecotoxicology' at the largest global catalog, WorldCatalog [source: http://5bio5.blogspot.com/2014/09/the-series-of-publications-on-list-of.html]. This article was cited and commented favorably by scientists in Europe, N.America and Asia. A Diploma (Academy of Water Sciences) – a certificate of high scientific quality - was awarded to the series of publications (on ecology, environmental science) including this article: http://5bio5.blogspot.com/2014/07/award-july-1-2014-to-series-of.html; The paper was bookmarked by members of ResearchGate. DOI: 10.1023/B:DOBS.0000033278.12858.12; http://scipeople.ru/users/2943391/; full text free: https://www.researchgate.net/publication/200567576_ ; On citation of the article: On the Biotic Self-purification of Aquatic Ecosystems: Elements of the Theory Citation Context (example, selected): ...Consequently, it is important to estimate the self-treatment potential of the natural water bodies exposed to such high technogenic loads [7]... B. M. Dolgonosov, et al. Kinetics of the enzymatic decomposition of macromolecules with a fract... ** This paper has a double impact as it is in the journal that is being published in 2 languages. The Russian version of this paper is published / русскоязычный вариант этой статьи опубликован здесь, в журнале "Доклады академии наук", полный текст: https://www.researchgate.net/publication/265294672_ ; ** Review of article. On the Biotic Self-purification of Aquatic Ecosystems: Elements of the Theory. This is a review written by an independent expert, published online, on the web-site of WorldCatalog (WorldCat), the global biggest library catalog. http://5bio5.blogspot.com/2015/04/review-of-article-on-biotic-self.html; Key words: ECOLOGY, ENVIRONMENTAL SCIENCE, WATER SAFETY, toxicology, ecotoxicology, surfactants, detergents, filter-feeders, water, filtration, self-purification, water quality, aquatic, ecosystem, On the Biotic Self-purification of Aquatic Ecosystems: Elements of the Theory ( Article); Title of the review: Fundamental top paper: a new useful theory of water ecosystem function. (2014-06-10) [Rating of the paper: Excellent]; Review by Professor_S.K. (published on WorldCat): This is a fundamental top paper. The paper presented fundamental elements of a new useful theory of water ecosystem function. This is a theory of how aquatic ecosystem functions towards improving water quality (water self-purification). In terms of fundamental ecology and pure science, it is a solid contribution to finding secrets of ecosystem stability and self-organization. In terms of applied science, this is a useful contribution to scientific understanding of the vital ecosystem service, namely, maintaining water quality (making it clean and clear). This is a contribution to environmental safety, water sustainability. The paper created an ecological theory of biological self-purification of water, in other words, the theory of multi-functional role of the biota (sum of organisms) in water purification and pollution control. More recent publications by the same author, a Fulbright Award winning researcher with experience of doing research in best laboratories of U.S., U.K., Russia, and other countries, confirmed this theory. More detailed explanation of the useful role of this paper please find here: [3 Innovations IN ECOLOGY, ENVIRONMENTAL SCIENCE, WATER SAFETY (with references, links to full texts of the papers, many pictures)]: http://5bio5.blogspot.com/2014/06/3-innovative-steps-in-ecology.html; The paper under the review was ahead of its time. I predict that it will be cited more and more in future. I give my very strong recommendations. I recommend this paper to all who are interested in innovations and future progress of ecology, water science, freshwater and marine biology, water quality, environmental safety and sustainability. The reference: On the biotic self-purification of aquatic ecosystems: elements of the theory. - Doklady Biological Sciences, V. 396, 2004, p. 206–211. The full text of this paper is available online free: https://www.researchgate.net/publication/200567576_On_the_biotic ; Availability in libraries: According to WorldCat, this article is available in 707 libraries worldwide (from the U.S. to Netherlands, and New Zealand); https://www.worldcat.org/title/on-the-biotic-self-purification-of-aquatic-ecosystems-elements-of-the-theory/oclc/5649180991&referer=brief_results; On the journal: Doklady Biological Sciences is a bimonthly journal presenting English translations of current Russian research in the anatomy, cytology, ecology, embryology, endocrinology, evolutionary morphology, experimental morphology, genetic, histology, hydrobiology, immunology, microbiology, morphology, parasitology, physiology, virology, and zoology sections of the Doklady Akademii Nauk (Proceedings of the Russian Academy of Sciences). The Proceedings appear 36 times per year; articles from the selected biological sections are collected, translated, and published bimonthly. Editor-in-Chief: Vladimir E. Fortov, President, Russian Academy of Sciences; ISSN: 0012-4966 (print version); ISSN: 1608-3105 (electronic version); Journal no. 10630 (on list of Springer Press peer-reviewed journals); http://www.springer.com/life+sciences/journal/10630; ** key words: theory, polyfunctional role, biota, improving water quality, self-purification, aquatic ecosystems, sources of energy, mechanisms of water self-purification; functional blocks, reliability, man-made impacts, pollution; environment protection, pollutants, surfactants, detergents, filtration activity, marine, filter-feeders, suspension feeders, bivalve mollusks, mussels, Mytilus galloprovincialis, Mytilus edulis, oysters, Crassostrea gigas, environmental safety, sustainable use, aquatic resources, sustainability,
Article
The marine environment is contaminated with many organic compounds, some of which induce deleterious responses in biota. Biological impact can be assessed by measuring the physiological responses of mussels, though the task of establishing which of the bioaccumulated compounds cause the observed effects is complex. To facilitate this task, quantitative structure-activity relationships (QSARs) for the physiological responses are being established. In this paper, the responsiveness of ciliary feeding to alkanes and benzene-substituted alkanes is described and compared with a QSAR established previously for aromatic compounds. Most of the test compounds with aqueous solubilities greater than 70 micrograms dm-3 were toxic to feeding activity when bioaccumulated to similar concentrations, whereas compounds of lower solubility were less toxic. The only exceptions were the polyaromatic hydrocarbons pyrene and fluoranthene, which were less toxic than predicted from their solubility. These data are consistent with the hypothesis that the toxicity cut-off is due to solubility-related phenomena, the effect perhaps being enhanced for aromatic hydrocarbons dosed near to their solubility limits, by sequestration of crystals within the mussel tissues. These observations indicate that many organic contaminants detected by chemical analysis of mussels have no direct effect on filter feeding, whereas the less frequently determined volatile compounds are toxic.
Article
https://www.researchgate.net/publication/13429633_Biological_filtering; S. A. Ostroumov. Biological filtering and ecological machinery for self-purification and bioremediation in aquatic ecosystems: towards a holistic view. Rivista di Biologia. 1998. 91(2): 221-232. https://www.researchgate.net/publication/13429633 ; According to one of the approaches to the definition of criteria for the phenomenon of life, the key attribute is the ability of the system for some self-regulating and self-supporting. Part of such holistic functions of aquatic ecosystems as self-regulating and self-supporting is their cleaning the water via a multitude of various mechanisms. The goal of this paper is to present some fundamental elements of the theory of ecosystem self-purification which emphasizes the importance of the four functional biological filters that are instrumental in purification and upgrading the quality of water in aquatic ecosystems. These functional filters are: (1) direct water filtering by aquatic organisms that are filter-feeders; (2) the filter (represented mainly by communities of aquatic plants/periphyton) which prevents input of pollutants and biogenic elements (N, P) from land into water bodies; (3) the filter (represented by benthic organisms) which prevents re-entry of pollutants and biogenic elements from the bottom sediments into the water; (4) the filter (represented by microorganisms attached to particles which are suspended in the water) that provides microbiological treatment of water column. New experimental data by the author reveal the role of man-made effects on the ecological machinery which purifies water. The analysis and discussion lead to the holistic theory of the natural process of bioremediation of aquatic ecosystems.
Article
Ostroumov S. A. An aquatic ecosystem: a large-scale diversified bioreactor with a water self-purification function. - Doklady Biological Sciences, 2000. Vol. 374, P. 514-516. Translated from the original Russian article: Aquatic ecosystem: a large-scale diversified bioreactor with the function of water purification // Doklady Akademii Nauk (DAN) 2000. V.374. No.3. p.427-429 (in Russian); Ostroumov, S.A., Водная экосистема: крупноразмерный диверсифицированный биореактор с функцией самоочищения воды. - Доклады академии наук / Dokl. Akad. Nauk, 2000, vol. 374, no. 3, pp. 427–429. The Russian version online: https://www.researchgate.net/publication/265382167 ; http://www.ncbi.nlm.nih.gov/pubmed/11103331; 34 downloads, 210 views by 5.04.2015. https://www.researchgate.net/publication/12225361_An_aquatic_ecosystem_; After this paper, the author published a series of new articles on aquatic ecosystems. The new articles completely supported this paper and led to creating a new fundamental theory of biotic water self-purification. Citation. The paper was cited, inter alia, in: [book] Biophysics, biochemistry, biosystem studies. Fundamental research and applications: Results and bibliography; 1 INHIBITORY ANALYSIS OF TOP-DOWN CONTROL: NEW KEYS TO STUDYING EUTROPHICATION, ALGAL BLOOMS, AND WATER SELF-PURIFICATION. Hydrobiologia. 2002. v. 469. № 1-3. p. 117-129. 49 2 POLYFUNCTIONAL ROLE OF BIODIVERSITY IN PROCESSES LEADING TO WATER PURIFICATION: CURRENT CONCEPTUALIZATIONS AND CONCLUDING REMARKS. Hydrobiologia. 2002. v. 469. № 1-3. p. 203-204. 46 3 SOME ASPECTS OF WATER FILTERING ACTIVITY OF FILTER-FEEDERS. Hydrobiologia. 2005. v. 542. № 1. p. 275-286. 28 4 INHIBITION OF MUSSEL SUSPENSION FEEDING BY SURFACTANTS OF THREE CLASSES. Hydrobiologia. 2006. v. 556. № 1. p. 381-386. 18 5 SELF-PURIFICATION ABILITY OF A WATER-CARRYING LAKE. Ren R.-L., Liu M.-S., Xu M., Zhang J.-M., Zhang M. Chinese Journal of Ecology. 2007. v. 26. № 8. p. 1222-1227. 2 6 RESEARCH ON SEASONAL VARIATION OF SELF-PURIFICATION ABILITY FOR SMALL SHALLOW LAKES IN SOUTH LAKE TAIHU. Xu L., Li H., Chen Y.-X., Liang X.-Q., Zhang X.-Z., Yao Y.-X., Zhou L. Huanjing Kexue. 2010. v. 31. № 4. p. 924-930. ** ** Another link to this article: https://www.researchgate.net/publication/215907363 ** Keywords: ecology, Environment, Biology, Water Quality, Key relevant publications, Authored, Dr., S. A. Ostroumov, personal care product formulations, household product formulations, discoveries, innovations, new, data, results, improving, key, important, biomachinery, fundamental, biological, effects, anthropogenic, water quality, improving, self-organization, selforganization, environmental safety, ecosystem function
Article
Ranking of this article increased recently (ranking on the basis of altmetrics score of attention online). This paper is on the short prestigious, honorable list 'Top papers, books on aquatic ecology, ecotoxicology' at the largest global catalog, WorldCatalog [source: http://5bio5.blogspot.com/2014/09/the-series-of-publications-on-list-of.html]. 69 downloads, 107 shares. Innovative concepts that provide new arguments in biodiversity conservation, water ecosystem protection, protection of aquatic environment: Ostroumov S. A. Biodiversity protection and quality of water: the role of feedbacks in ecosystems.- Doklady Biological Sciences. 2002. 382: 18-21. https://www.researchgate.net/publication/11371556; https://www.researchgate.net/publication/11371556_Biodiversity_protection_and_quality_of_water_the_role_of_feedbacks_in_ecosystems ; http://www.scribd.com/doc/42558469/; The review (favorable) of this article was published at World Catalog; the review rated this article as excellent: https://www.worldcat.org/oclc/94201659 http://5bio5.blogspot.com/2014/06/paper-rated-as-excellent-biodiversity.html The text of the review in other languages: French: http://5bio5.blogspot.com/2014/06/in-french-review-of-ecology.html Spanish: http://5bio5.blogspot.com/2014/06/spanish-review-ecology-paper-comentario.html Chinese: http://5bio5.blogspot.com/2014/06/in-chinese-review-of-ecology-paper.html Japanese: http://5bio5.blogspot.com/2014/06/in-japanese-review-of-paper.html Korean : http://5bio5.blogspot.com/2014/06/in-korean-review-paper.html ** The paper presents some new ideas and new facts. ** NEW IDEAS: The article presents a new concept of how biodiversity helps towards better stability and water quality, in other words, how biodiversity is involved in the ecosystem services. The author made an innovative analysis of his experimental data which led to the following fundamental conclusion: to maintain water quality, it is vital to protect the functionally active biodiversity of water ecosystems. In other words, according to this article, the protection of functionally active , including filter-feeders, is a key to maintenance of water quality. ** NEW FACTS. Among new facts: the laundry detergent IXI 20 mg/L inhibited water filtration by bivalves, marine mussels Mytilus galloprovincialis; the laundry detergent Deni-Automat 30 mg/L also inhibited the water filtration by oysters Crassostrea gigas. DOI 10.1023/A:1014465220673. http://www.springerlink.com/content/p89cugy9ddk053g7/; MAIK Nauka/Interperiodica distributed exclusively by Springer Science+Business Media LLC. ISSN 0012-4966 (Print) 1608-3105 (Online). http://scipeople.ru/users/2943391/; http://sites.google.com/site/2dbs382p18biodivers/; ** V.I. Vernadsky pointed out that “the living matter in the biosphere plays a fundamental and active role, and in exercising its power it is in no way comparable with anything else, with any other geological factor.” [1]. Finding concrete evidence that support this statement still remains an important aspect in the study of ecosystems, including aquatic systems. To reach a sustainable use of water resources, we have to maintain a proper self-purifying potential of water bodies, which sustains the water quality that is necessary for the consumption of water as a useful resource [2]. To maintain the selfpurification potential under the conditions of anthropogenic stress, analysis of the factors that are the main prerequisites for the maintenance of water quality in water bodies is necessary; the analysis must include ** CITATION: it was cited in Article: The effect of high inorganic seston loads on prey selection by the suspension-feeding bivalve, Atrina zelandica. Karl A. Safi, Judi E. Hewitt and Sonia G. Talman. Journal: Journal of Experimental Marine Biology and Ecology, 2007, Volume 344, Number 2, Page 136. DOI: 10.1016/j.jembe.2006.12.023;
Article
https://www.researchgate.net/publication/10669691; The currently accepted system of criteria for evaluating environmental and ecological hazards of man-made chemicals (pollutants) is vulnerable to criticism. In this paper, a new concept of the system of approaches towards criteria for evaluating the ecological hazard from man-made impact is proposed. It is suggested to assess the man-made impacts (including effects of pollutants and xenobiotics) on the biota according to the following four levels of disturbance in biological and ecological systems: (I) the level of individual responses; (2) the level of aggregated responses of groups of organisms; (3) the level of stability and integrity of the ecosystem; (4) the level of contributions of the ecosystem to biospheric processes. On the basis of the author's experimental studies, an example is given of how to apply the proposed approach and the system of criteria to the analysis of concrete experimental data. To exemplify the efficiency of the proposed approach, it is shown how to use it to analyze new data on effects of a synthetic surfactant on water filtering by bivalves. It is concluded that the proposed approach will be helpful in better assessing environmental and ecological hazards from anthropogenic effects on biota, including effects of man-made chemicals polluting ecosystems.